The 2023 Rugby World Cup was held in France from 8 September to 28 October 2023. Twenty teams qualified and each named an initial squad of 33 players, two more than at the previous World Cup. Squads were submitted before the tournament, and replacement players could be added during the tournament on injury grounds.^[1]

Note: The age and number of caps listed for each player is as of 8 September 2023, the first day of the tournament.

New Zealand announced their squad on 7 August 2023.^[2]

¹ On 10 September 2023, Emoni Narawa was ruled out of the World Cup, after sustaining a back injury. He was replaced in the New Zealand squad by Ethan Blackadder.^[3]

Head coach: Ian Foster

Player	Position	Date of birth (age)	Caps	Franchise/province
Dane Coles	Hooker	(1986-12-10)10 December 1986 (aged 36)	87	Hurricanes / Wellington
Samisoni Taukei'aho	Hooker	(1997-08-08)8 August 1997 (aged 26)	25	Chiefs / Waikato
Codie Taylor	Hooker	(1991-03-31)31 March 1991 (aged 32)	79	Crusaders / Canterbury
Ethan de Groot	Prop	(1998-07-22)22 July 1998 (aged 25)	17	Highlanders / Southland
Nepo Laulala	Prop	(1991-11-06)6 November 1991 (aged 31)	49	Blues / Counties Manukau
Tyrel Lomax	Prop	(1996-03-16)16 March 1996 (aged 27)	27	Hurricanes / Tasman
Fletcher Newell	Prop	(2000-03-01)1 March 2000 (aged 23)	8	Crusaders / Canterbury
Ofa Tu'ungafasi	Prop	(1992-04-19)19 April 1992 (aged 31)	53	Blues / Northland
Tamaiti Williams	Prop	(2000-08-10)10 August 2000 (aged 23)	3	Crusaders / Canterbury
Scott Barrett	Lock	(1993-11-20)20 November 1993 (aged 29)	62	Crusaders / Taranaki
Brodie Retallick	Lock	(1991-05-31)31 May 1991 (aged 32)	103	Chiefs / Hawke's Bay
Tupou Vaa'i	Lock	(2000-01-27)27 January 2000 (aged 23)	22	Chiefs / Taranaki
Sam Whitelock	Lock	(1988-10-12)12 October 1988 (aged 34)	146	Crusaders / Canterbury
Ethan Blackadder 1	Loose forward	(1995-03-22)22 March 1995 (aged 28)	9	Crusaders / Tasman
Sam Cane (c)	Loose forward	(1992-01-13)13 January 1992 (aged 31)	90	Chiefs / Bay of Plenty
Shannon Frizell	Loose forward	(1994-02-11)11 February 1994 (aged 29)	28	Highlanders / Tasman
Luke Jacobson	Loose forward	(1997-04-20)20 April 1997 (aged 26)	15	Chiefs / Waikato
Dalton Papalii	Loose forward	(1997-10-11)11 October 1997 (aged 25)	26	Blues / Counties Manukau
Ardie Savea	Loose forward	(1993-10-14)14 October 1993 (aged 29)	75	Hurricanes / Wellington
Finlay Christie	Scrum-half	(1995-09-19)19 September 1995 (aged 27)	17	Blues / Tasman
Cam Roigard	Scrum-half	(2000-11-16)16 November 2000 (aged 22)	2	Hurricanes / Counties Manukau
Aaron Smith	Scrum-half	(1988-11-21)21 November 1988 (aged 34)	119	Highlanders / Manawatu
Beauden Barrett	Fly-half	(1991-05-27)27 May 1991 (aged 32)	116	Blues / Taranaki
Damian McKenzie	Fly-half	(1995-04-20)20 April 1995 (aged 28)	42	Chiefs / Waikato
Richie Mo'unga	Fly-half	(1994-05-25)25 May 1994 (aged 29)	49	Crusaders / Canterbury
Jordie Barrett	Centre	(1997-02-17)17 February 1997 (aged 26)	52	Hurricanes / Taranaki
David Havili	Centre	(1994-12-23)23 December 1994 (aged 28)	25	Crusaders / Tasman
Rieko Ioane	Centre	(1997-03-18)18 March 1997 (aged 26)	63	Blues / Auckland
Anton Lienert-Brown	Centre	(1995-04-15)15 April 1995 (aged 28)	63	Chiefs / Waikato
Caleb Clarke	Wing	(1999-03-29)29 March 1999 (aged 24)	18	Blues / Auckland
Leicester Fainga'anuku	Wing	(1999-10-11)11 October 1999 (aged 23)	3	Crusaders / Tasman
Emoni Narawa 1	Wing	(1999-07-13)13 July 1999 (aged 24)	1	Chiefs / Bay of Plenty
Mark Tele'a	Wing	(1996-12-06)6 December 1996 (aged 26)	5	Blues / North Harbour
Will Jordan	Fullback	(1998-02-24)24 February 1998 (aged 25)	25	Crusaders / Tasman

France announced their squad on 21 August 2023.^[4]

¹ On 1 September 2023, Paul Willemse was ruled out of the World Cup, after sustaining a thigh injury. He was replaced in the France squad by Bastien Chalureau^[5]

Head coach: Fabien Galthié

Player	Position	Date of birth (age)	Caps	Club/province
Pierre Bourgarit	Hooker	(1997-09-12)12 September 1997 (aged 25)	10	La Rochelle
Julien Marchand	Hooker	(1995-05-10)10 May 1995 (aged 28)	31	Toulouse
Peato Mauvaka	Hooker	(1997-01-10)10 January 1997 (aged 26)	24	Toulouse
Dorian Aldegheri	Prop	(1993-08-04)4 August 1993 (aged 30)	11	Toulouse
Uini Atonio	Prop	(1990-03-26)26 March 1990 (aged 33)	53	La Rochelle
Cyril Baille	Prop	(1993-09-15)15 September 1993 (aged 29)	44	Toulouse
Sipili Falatea	Prop	(1997-06-06)6 June 1997 (aged 26)	13	Bordeaux-Bègles
Jean-Baptiste Gros	Prop	(1999-05-29)29 May 1999 (aged 24)	25	Toulon
Reda Wardi	Prop	(1995-08-02)2 August 1995 (aged 28)	9	La Rochelle
Bastien Chalureau 1	Lock	(1992-02-13)13 February 1992 (aged 31)	6	Montpellier
Thibaud Flament	Lock	(1997-04-29)29 April 1997 (aged 26)	19	Toulouse
Romain Taofifenua	Lock	(1990-09-14)14 September 1990 (aged 32)	44	Lyon
Paul Willemse 1	Lock	(1992-11-13)13 November 1992 (aged 30)	31	Montpellier
Cameron Woki	Lock	(1998-11-07)7 November 1998 (aged 24)	22	Racing 92
Grégory Alldritt	Back row	(1997-03-23)23 March 1997 (aged 26)	42	La Rochelle
Paul Boudehent	Back row	(1999-11-21)21 November 1999 (aged 23)	3	La Rochelle
François Cros	Back row	(1994-03-25)25 March 1994 (aged 29)	22	Toulouse
Anthony Jelonch	Back row	(1996-07-28)28 July 1996 (aged 27)	25	Toulouse
Sekou Macalou	Back row	(1995-04-20)20 April 1995 (aged 28)	18	Stade Français
Charles Ollivon	Back row	(1993-05-11)11 May 1993 (aged 30)	35	Toulon
Baptiste Couilloud	Scrum-half	(1997-08-22)22 August 1997 (aged 26)	13	Lyon
Antoine Dupont (c)	Scrum-half	(1996-11-15)15 November 1996 (aged 26)	49	Toulouse
Maxime Lucu	Scrum-half	(1993-01-12)12 January 1993 (aged 30)	15	Bordeaux-Bègles
Antoine Hastoy	Fly-half	(1997-06-04)4 June 1997 (aged 26)	4	La Rochelle
Matthieu Jalibert	Fly-half	(1998-11-06)6 November 1998 (aged 24)	26	Bordeaux-Bègles
Jonathan Danty	Centre	(1992-10-07)7 October 1992 (aged 30)	23	La Rochelle
Gaël Fickou	Centre	(1994-03-26)26 March 1994 (aged 29)	81	Racing 92
Yoram Moefana	Centre	(2000-07-18)18 July 2000 (aged 23)	18	Bordeaux-Bègles
Arthur Vincent	Centre	(1999-09-30)30 September 1999 (aged 23)	16	Montpellier
Louis Bielle-Biarrey	Wing	(2003-06-16)16 June 2003 (aged 20)	3	Bordeaux-Bègles
Damian Penaud	Wing	(1996-09-25)25 September 1996 (aged 26)	44	Bordeaux-Bègles
Gabin Villière	Wing	(1995-12-13)13 December 1995 (aged 27)	14	Toulon
Melvyn Jaminet	Fullback	(1999-06-30)30 June 1999 (aged 24)	15	Toulouse
Thomas Ramos	Fullback	(1995-07-23)23 July 1995 (aged 28)	27	Toulouse

Italy announced their squad on 22 August 2023.^[6]

¹ On 24 September 2023, Luca Bigi was ruled out of the World Cup, after sustaining a leg injury. He was replaced in the Italy squad by Marco Manfredi.^[7]

Head coach: Kieran Crowley

Player	Position	Date of birth (age)	Caps	Club/province
Luca Bigi 1	Hooker	(1991-04-19)19 April 1991 (aged 32)	48	Zebre Parma
Hame Faiva	Hooker	(1994-05-09)9 May 1994 (aged 29)	7	Unattached
Marco Manfredi 1	Hooker	(1997-09-18)18 September 1997 (aged 25)	2	Zebre Parma
Giacomo Nicotera	Hooker	(1996-07-15)15 July 1996 (aged 27)	15	Benetton
Pietro Ceccarelli	Prop	(1992-02-16)16 February 1992 (aged 31)	29	Perpignan
Simone Ferrari	Prop	(1994-03-28)28 March 1994 (aged 29)	47	Benetton
Danilo Fischetti	Prop	(1998-01-26)26 January 1998 (aged 25)	33	Zebre Parma
Ivan Nemer	Prop	(1998-04-22)22 April 1998 (aged 25)	13	Benetton
Marco Riccioni	Prop	(1997-10-19)19 October 1997 (aged 25)	22	Saracens
Federico Zani	Prop	(1989-04-09)9 April 1989 (aged 34)	23	Benetton
Niccolò Cannone	Lock	(1998-05-17)17 May 1998 (aged 25)	33	Benetton
Dino Lamb	Lock	(1998-04-18)18 April 1998 (aged 25)	3	Harlequins
Federico Ruzza	Lock	(1994-08-04)4 August 1994 (aged 29)	45	Benetton
Dave Sisi	Lock	(1993-02-05)5 February 1993 (aged 30)	28	Zebre Parma
Lorenzo Cannone	Back row	(2001-01-28)28 January 2001 (aged 22)	12	Benetton
Toa Halafihi	Back row	(1993-11-27)27 November 1993 (aged 29)	11	Benetton
Michele Lamaro (c)	Back row	(1998-06-03)3 June 1998 (aged 25)	29	Benetton
Sebastian Negri	Back row	(1994-06-30)30 June 1994 (aged 29)	48	Benetton
Giovanni Pettinelli	Back row	(1996-03-13)13 March 1996 (aged 27)	14	Benetton
Manuel Zuliani	Back row	(2000-04-26)26 April 2000 (aged 23)	13	Benetton
Alessandro Fusco	Scrum-half	(1999-10-28)28 October 1999 (aged 23)	15	Zebre Parma
Alessandro Garbisi	Scrum-half	(2002-04-11)11 April 2002 (aged 21)	6	Benetton
Martin Page-Relo	Scrum-half	(1999-01-06)6 January 1999 (aged 24)	2	Lyon
Stephen Varney	Scrum-half	(2001-05-16)16 May 2001 (aged 22)	21	Gloucester
Tommaso Allan	Fly-half	(1993-04-26)26 April 1993 (aged 30)	75	Perpignan
Giacomo Da Re	Fly-half	(1999-03-29)29 March 1999 (aged 24)	2	Benetton
Paolo Garbisi	Fly-half	(2000-04-26)26 April 2000 (aged 23)	27	Montpellier
Ignacio Brex	Centre	(1992-05-26)26 May 1992 (aged 31)	26	Benetton
Luca Morisi	Centre	(1991-02-22)22 February 1991 (aged 32)	47	Unattached
Pierre Bruno	Wing	(1996-06-28)28 June 1996 (aged 27)	13	Zebre Parma
Monty Ioane	Wing	(1994-10-30)30 October 1994 (aged 28)	21	Lyon
Paolo Odogwu	Wing	(1997-06-18)18 June 1997 (aged 26)	3	Benetton
Ange Capuozzo	Fullback	(1999-04-30)30 April 1999 (aged 24)	12	Toulouse
Lorenzo Pani	Fullback	(2002-07-04)4 July 2002 (aged 21)	3	Zebre Parma

Uruguay announced their final squad on 21 August 2023.^[8]

Head coach: Esteban Meneses

Player	Position	Date of birth (age)	Caps	Club/province
Facundo Gattas	Hooker	(1995-07-02)2 July 1995 (aged 28)	39	Old Glory DC
Germán Kessler	Hooker	(1994-07-01)1 July 1994 (aged 29)	62	Provence
Guillermo Pujadas	Hooker	(1997-02-06)6 February 1997 (aged 26)	28	Peñarol
Diego Arbelo	Prop	(1994-08-19)19 August 1994 (aged 29)	18	Peñarol
Matías Benítez	Prop	(1988-05-16)16 May 1988 (aged 35)	45	Peñarol
Ignacio Péculo	Prop	(1999-02-22)22 February 1999 (aged 24)	13	Peñarol
Reinaldo Piussi	Prop	(1999-05-18)18 May 1999 (aged 24)	4	Peñarol
Mateo Sanguinetti	Prop	(1992-07-26)26 July 1992 (aged 31)	80	Peñarol
Felipe Aliaga	Lock	(1999-09-14)14 September 1999 (aged 23)	5	Peñarol
Ignacio Dotti	Lock	(1994-08-18)18 August 1994 (aged 29)	59	Peñarol
Manuel Leindekar	Lock	(1997-04-23)23 April 1997 (aged 26)	28	Bayonne
Juan Manuel Rodríguez	Lock	(1996-12-15)15 December 1996 (aged 26)	3	Peñarol
Manuel Ardao	Back row	(1998-09-09)9 September 1998 (aged 24)	23	Peñarol
Lucas Bianchi	Back row	(2001-03-26)26 March 2001 (aged 22)	10	Peñarol
Santiago Civetta	Back row	(1998-02-28)28 February 1998 (aged 25)	26	Peñarol
Carlos Deus	Back row	(2001-07-05)5 July 2001 (aged 22)	3	Peñarol
Manuel Diana	Back row	(1996-03-07)7 March 1996 (aged 27)	38	Peñarol
Eric Dosantos	Back row	(1995-02-25)25 February 1995 (aged 28)	16	Peñarol
Santiago Álvarez	Scrum-half	(2001-12-24)24 December 2001 (aged 21)	7	Peñarol
Santiago Arata	Scrum-half	(1996-09-02)2 September 1996 (aged 27)	45	Castres
Agustín Ormaechea	Scrum-half	(1991-03-08)8 March 1991 (aged 32)	56	Nice
Felipe Berchesi	Fly-half	(1991-04-12)12 April 1991 (aged 32)	45	Dax
Felipe Etcheverry	Fly-half	(1996-06-23)23 June 1996 (aged 27)	20	Peñarol
Felipe Arcos Pérez	Centre	(2001-05-17)17 May 2001 (aged 22)	9	Old Boys
Tomás Inciarte	Centre	(1996-10-22)22 October 1996 (aged 26)	32	Peñarol
Andrés Vilaseca (c)	Centre	(1991-05-08)8 May 1991 (aged 32)	75	Vannes
Juan Manuel Alonso	Wing	(2001-09-19)19 September 2001 (aged 21)	8	Peñarol
Bautista Basso	Wing	(2001-01-18)18 January 2001 (aged 22)	4	Old Boys
Ignacio Facciolo	Wing	(1998-12-28)28 December 1998 (aged 24)	1	Círculo de Tenis
Nicolás Freitas	Wing	(1993-07-03)3 July 1993 (aged 30)	50	Vannes
Gastón Mieres	Wing	(1989-10-05)5 October 1989 (aged 33)	82	Peñarol
Baltazar Amaya	Fullback	(1999-05-26)26 May 1999 (aged 24)	8	Old Boys
Rodrigo Silva	Fullback	(1992-11-02)2 November 1992 (aged 30)	77	Peñarol

Namibia announced their squad on 28 August 2023.^[9]

¹ On 6 September 2023, Chad Plato was ruled out of the World Cup, after sustaining a thigh injury. He was replaced in the Namibia squad by TC Kisting.^[10]

² On 17 September 2023, Le Roux Malan was ruled out of the World Cup, after sustaining an ankle injury. He was replaced in the Namibia squad by Lloyd Jacobs.^[11]

Head coach: Allister Coetzee

Player	Position	Date of birth (age)	Caps	Club/province
Obert Nortjé	Hooker	(1997-04-17)17 April 1997 (aged 26)	21	Wanderers
Torsten van Jaarsveld	Hooker	(1987-06-30)30 June 1987 (aged 36)	19	Bayonne
Louis van der Westhuizen	Hooker	(1995-02-25)25 February 1995 (aged 28)	29	Cheetahs
Jason Benade	Prop	(1995-04-16)16 April 1995 (aged 28)	13	University of Namibia
Aranos Coetzee	Prop	(1988-03-14)14 March 1988 (aged 35)	29	Cheetahs
Des Sethie	Prop	(1992-12-09)9 December 1992 (aged 30)	17	University of Namibia
Haitembu Shikufa	Prop	(2000-11-28)28 November 2000 (aged 22)	1	Leopards
Casper Viviers	Prop	(1988-06-01)1 June 1988 (aged 35)	41	La Baule
Tiaan de Klerk	Lock	(2001-06-12)12 June 2001 (aged 22)	1	Mogliano
Adriaan Ludick	Lock	(1998-07-22)22 July 1998 (aged 25)	9	Limoges
Mahepisa Tjeriko	Lock	(1993-05-06)6 May 1993 (aged 30)	11	University of Namibia
Tjiuee Uanivi	Lock	(1990-12-31)31 December 1990 (aged 32)	34	Montauban
P. J. van Lill	Lock	(1983-12-04)4 December 1983 (aged 39)	60	Capbreton Hossegor
Adriaan Booysen	Back row	(1996-05-17)17 May 1996 (aged 27)	24	Dallas Jackals
Wian Conradie	Back row	(1994-10-14)14 October 1994 (aged 28)	28	New England Free Jacks
Prince ǃGaoseb	Back row	(1998-07-07)7 July 1998 (aged 25)	12	Tel Aviv Heat
Richard Hardwick	Back row	(1994-05-31)31 May 1994 (aged 29)	3	Melbourne Rebels
Max Katjijeko	Back row	(1995-04-08)8 April 1995 (aged 28)	21	Tel Aviv Heat
Johan Retief	Back row	(1995-10-10)10 October 1995 (aged 27)	21	Griquas
Oela Blaauw	Scrum-half	(2001-10-17)17 October 2001 (aged 21)	0	University of Johannesburg
TC Kisting 1	Scrum-half	(1994-01-13)13 January 1994 (aged 29)	18	Dinamo București
Damian Stevens	Scrum-half	(1995-06-02)2 June 1995 (aged 28)	36	New Orleans Gold
Jacques Theron	Scrum-half	(1999-03-22)22 March 1999 (aged 24)	3	Wanderers
Cliven Loubser	Fly-half	(1997-02-24)24 February 1997 (aged 26)	24	Utah Warriors
Tiaan Swanepoel	Fly-half	(1996-06-04)4 June 1996 (aged 27)	2	Valence-d'Agen
André van den Berg	Fly-half	(1999-11-28)28 November 1999 (aged 23)	4	Wanderers
Danco Burger	Centre	(1998-07-28)28 July 1998 (aged 25)	5	Wanderers
Johan Deysel (c)	Centre	(1991-09-26)26 September 1991 (aged 31)	35	Colomiers
Alcino Izaacs	Centre	(1993-11-16)16 November 1993 (aged 29)	3	Boland Cavaliers
Lloyd Jacobs 2	Centre	(1993-02-17)17 February 1993 (aged 30)	0	Kudus
Le Roux Malan 2	Centre	(1999-03-31)31 March 1999 (aged 24)	2	New England Free Jacks
JC Greyling	Wing	(1991-06-21)21 June 1991 (aged 32)	42	Wanderers
Gerswin Mouton	Wing	(1999-12-16)16 December 1999 (aged 23)	3	Wits University
Chad Plato 1	Fullback	(1998-04-21)21 April 1998 (aged 25)	4	Kudus
Divan Rossouw	Fullback	(1996-03-12)12 March 1996 (aged 27)	6	Krasny Yar

South Africa announced their squad on 8 August 2023.^[12]

¹ On 14 September 2023, Malcolm Marx was ruled out of the World Cup, after sustaining a knee injury.^[13] He was replaced in the South Africa squad by Handré Pollard.^[14]

² On 2 October 2023, Makazole Mapimpi was ruled out of the World Cup, after sustaining a fractured eye socket.^[15] He was replaced in the South Africa squad by Lukhanyo Am.^[16]

Head coach: Jacques Nienaber

Player	Position	Date of birth (age)	Caps	Club/province
Malcolm Marx 1	Hooker	(1994-07-13)13 July 1994 (aged 29)	63	Kubota Spears
Bongi Mbonambi	Hooker	(1991-01-07)7 January 1991 (aged 32)	62	Sharks
Steven Kitshoff	Prop	(1992-02-10)10 February 1992 (aged 31)	76	Ulster
Vincent Koch	Prop	(1990-03-13)13 March 1990 (aged 33)	46	Sharks
Frans Malherbe	Prop	(1991-03-14)14 March 1991 (aged 32)	63	Stormers
Ox Nché	Prop	(1995-07-23)23 July 1995 (aged 28)	21	Sharks
Trevor Nyakane	Prop	(1989-05-04)4 May 1989 (aged 34)	62	Racing 92
Eben Etzebeth	Lock	(1991-10-29)29 October 1991 (aged 31)	113	Sharks
Jean Kleyn	Lock	(1993-08-26)26 August 1993 (aged 30)	4	Munster
Franco Mostert	Lock	(1990-11-27)27 November 1990 (aged 32)	67	Mie Honda Heat
Marvin Orie	Lock	(1993-02-15)15 February 1993 (aged 30)	14	Perpignan
RG Snyman	Lock	(1995-01-29)29 January 1995 (aged 28)	28	Munster
Pieter-Steph du Toit	Loose forward	(1992-08-20)20 August 1992 (aged 31)	71	Toyota Verblitz
Deon Fourie	Loose forward	(1986-09-25)25 September 1986 (aged 36)	7	Stormers
Siya Kolisi (c)	Loose forward	(1991-06-16)16 June 1991 (aged 32)	77	Racing 92
Kwagga Smith	Loose forward	(1993-06-11)11 June 1993 (aged 30)	34	Shizuoka Blue Revs
Marco van Staden	Loose forward	(1995-08-25)25 August 1995 (aged 28)	14	Bulls
Duane Vermeulen	Loose forward	(1986-07-03)3 July 1986 (aged 37)	70	Unattached
Jasper Wiese	Loose forward	(1995-10-21)21 October 1995 (aged 27)	23	Leicester Tigers
Faf de Klerk	Scrum-half	(1991-10-19)19 October 1991 (aged 31)	49	Yokohama Canon Eagles
Jaden Hendrikse	Scrum-half	(2000-03-23)23 March 2000 (aged 23)	13	Sharks
Cobus Reinach	Scrum-half	(1990-02-07)7 February 1990 (aged 33)	26	Montpellier
Grant Williams	Scrum-half	(1996-07-22)22 July 1996 (aged 27)	5	Sharks
Manie Libbok	Fly-half	(1997-07-15)15 July 1997 (aged 26)	9	Stormers
Handré Pollard 1	Fly-half	(1994-03-11)11 March 1994 (aged 29)	65	Leicester Tigers
Damian Willemse	Fly-half	(1998-05-07)7 May 1998 (aged 25)	33	Stormers
Lukhanyo Am 2	Centre	(1993-11-28)28 November 1993 (aged 29)	35	Sharks
Damian de Allende	Centre	(1991-11-25)25 November 1991 (aged 31)	73	Saitama Wild Knights
André Esterhuizen	Centre	(1994-03-30)30 March 1994 (aged 29)	14	Harlequins
Jesse Kriel	Centre	(1994-02-15)15 February 1994 (aged 29)	62	Yokohama Canon Eagles
Kurt-Lee Arendse	Wing	(1996-06-17)17 June 1996 (aged 27)	10	Bulls
Cheslin Kolbe	Wing	(1993-10-28)28 October 1993 (aged 29)	26	Tokyo Sungoliath
Makazole Mapimpi 2	Wing	(1990-07-26)26 July 1990 (aged 33)	39	Sharks
Canan Moodie	Wing	(2002-11-05)5 November 2002 (aged 20)	8	Bulls
Willie le Roux	Fullback	(1989-08-18)18 August 1989 (aged 34)	87	Bulls

Ireland announced their final squad on 27 August 2023.^[17]

Head coach: Andy Farrell

Player	Position	Date of birth (age)	Caps	Club/province
Rob Herring	Hooker	(1990-04-28)28 April 1990 (aged 33)	37	Ulster
Rónan Kelleher	Hooker	(1998-01-24)24 January 1998 (aged 25)	21	Leinster
Dan Sheehan	Hooker	(1998-09-17)17 September 1998 (aged 24)	18	Leinster
Finlay Bealham	Prop	(1991-10-09)9 October 1991 (aged 31)	32	Connacht
Tadhg Furlong	Prop	(1992-11-14)14 November 1992 (aged 30)	67	Leinster
Dave Kilcoyne	Prop	(1988-12-14)14 December 1988 (aged 34)	52	Munster
Jeremy Loughman	Prop	(1995-07-22)22 July 1995 (aged 28)	3	Munster
Tom O'Toole	Prop	(1998-09-23)23 September 1998 (aged 24)	11	Ulster
Andrew Porter	Prop	(1996-01-16)16 January 1996 (aged 27)	54	Leinster
Ryan Baird	Lock	(1999-07-26)26 July 1999 (aged 24)	13	Leinster
Tadhg Beirne	Lock	(1992-01-08)8 January 1992 (aged 31)	41	Munster
Iain Henderson	Lock	(1992-02-21)21 February 1992 (aged 31)	74	Ulster
Joe McCarthy	Lock	(2001-03-26)26 March 2001 (aged 22)	3	Leinster
James Ryan	Lock	(1996-07-24)24 July 1996 (aged 27)	55	Leinster
Jack Conan	Back row	(1992-07-29)29 July 1992 (aged 31)	39	Leinster
Caelan Doris	Back row	(1998-04-02)2 April 1998 (aged 25)	31	Leinster
Peter O'Mahony	Back row	(1989-09-17)17 September 1989 (aged 33)	96	Munster
Josh van der Flier	Back row	(1993-04-25)25 April 1993 (aged 30)	52	Leinster
Craig Casey	Scrum-half	(1999-04-19)19 April 1999 (aged 24)	12	Munster
Jamison Gibson-Park	Scrum-half	(1992-02-23)23 February 1992 (aged 31)	26	Leinster
Conor Murray	Scrum-half	(1989-04-20)20 April 1989 (aged 34)	106	Munster
Ross Byrne	Fly-half	(1995-04-08)8 April 1995 (aged 28)	21	Leinster
Jack Crowley	Fly-half	(2000-01-13)13 January 2000 (aged 23)	6	Munster
Johnny Sexton (c)	Fly-half	(1985-07-11)11 July 1985 (aged 38)	113	Unattached
Bundee Aki	Centre	(1990-04-07)7 April 1990 (aged 33)	47	Connacht
Robbie Henshaw	Centre	(1993-06-12)12 June 1993 (aged 30)	64	Leinster
Stuart McCloskey	Centre	(1992-08-06)6 August 1992 (aged 31)	13	Ulster
Garry Ringrose	Centre	(1995-01-26)26 January 1995 (aged 28)	51	Leinster
Keith Earls	Wing	(1987-10-02)2 October 1987 (aged 35)	100	Munster
Mack Hansen	Wing	(1998-03-27)27 March 1998 (aged 25)	16	Connacht
James Lowe	Wing	(1992-07-08)8 July 1992 (aged 31)	21	Leinster
Hugo Keenan	Fullback	(1996-06-18)18 June 1996 (aged 27)	31	Leinster
Jimmy O'Brien	Fullback	(1996-11-27)27 November 1996 (aged 26)	6	Leinster

Scotland announced their squad on 16 August 2023.^[18]

¹ On 14 September 2023, Dave Cherry was ruled out of the World Cup, after a concussion injury. He was replaced by Stuart McInally.^[19]

² On 24 September 2023, Stuart McInally was replaced by Johnny Matthews, after a neck injury.^[20]

Head coach: Gregor Townsend

Player	Position	Date of birth (age)	Caps	Club/province
Ewan Ashman	Hooker	(2000-04-03)3 April 2000 (aged 23)	9	Edinburgh
Dave Cherry 1	Hooker	(1991-01-03)3 January 1991 (aged 32)	10	Edinburgh
Johnny Matthews 2	Hooker	(1993-07-05)5 July 1993 (aged 30)	0	Glasgow Warriors
Stuart McInally 1, 2	Hooker	(1990-08-09)9 August 1990 (aged 33)	49	Edinburgh
George Turner	Hooker	(1992-10-08)8 October 1992 (aged 30)	37	Glasgow Warriors
Jamie Bhatti	Prop	(1993-09-08)8 September 1993 (aged 30)	32	Glasgow Warriors
Zander Fagerson	Prop	(1996-01-19)19 January 1996 (aged 27)	59	Glasgow Warriors
WP Nel	Prop	(1986-04-30)30 April 1986 (aged 37)	56	Edinburgh
Pierre Schoeman	Prop	(1994-05-07)7 May 1994 (aged 29)	23	Edinburgh
Javan Sebastian	Prop	(1994-09-02)2 September 1994 (aged 29)	6	Edinburgh
Rory Sutherland	Prop	(1992-08-24)24 August 1992 (aged 31)	25	Unattached
Scott Cummings	Lock	(1996-12-03)3 December 1996 (aged 26)	29	Glasgow Warriors
Grant Gilchrist	Lock	(1990-08-09)9 August 1990 (aged 33)	65	Edinburgh
Richie Gray	Lock	(1989-08-24)24 August 1989 (aged 34)	75	Glasgow Warriors
Sam Skinner	Lock	(1995-01-31)31 January 1995 (aged 28)	28	Edinburgh
Luke Crosbie	Back row	(1997-04-22)22 April 1997 (aged 26)	5	Edinburgh
Rory Darge	Back row	(2000-02-23)23 February 2000 (aged 23)	11	Glasgow Warriors
Jack Dempsey	Back row	(1994-04-12)12 April 1994 (aged 29)	12	Glasgow Warriors
Matt Fagerson	Back row	(1998-07-16)16 July 1998 (aged 25)	36	Glasgow Warriors
Jamie Ritchie (c)	Back row	(1996-08-16)16 August 1996 (aged 27)	43	Edinburgh
Hamish Watson	Back row	(1991-10-15)15 October 1991 (aged 31)	58	Edinburgh
George Horne	Scrum-half	(1995-05-12)12 May 1995 (aged 28)	23	Glasgow Warriors
Ali Price	Scrum-half	(1993-05-12)12 May 1993 (aged 30)	63	Glasgow Warriors
Ben White	Scrum-half	(1998-05-27)27 May 1998 (aged 25)	17	Toulon
Ben Healy	Fly-half	(1999-06-29)29 June 1999 (aged 24)	3	Edinburgh
Finn Russell	Fly-half	(1992-09-23)23 September 1992 (aged 30)	72	Bath
Chris Harris	Centre	(1990-12-28)28 December 1990 (aged 32)	44	Gloucester
Huw Jones	Centre	(1993-12-17)17 December 1993 (aged 29)	39	Glasgow Warriors
Cameron Redpath	Centre	(1999-12-23)23 December 1999 (aged 23)	7	Bath
Sione Tuipulotu	Centre	(1997-02-12)12 February 1997 (aged 26)	19	Glasgow Warriors
Darcy Graham	Wing	(1997-06-21)21 June 1997 (aged 26)	35	Edinburgh
Kyle Steyn	Wing	(1994-01-29)29 January 1994 (aged 29)	13	Glasgow Warriors
Duhan van der Merwe	Wing	(1995-06-04)4 June 1995 (aged 28)	31	Edinburgh
Blair Kinghorn	Fullback	(1997-01-18)18 January 1997 (aged 26)	46	Edinburgh
Ollie Smith	Fullback	(2000-08-07)7 August 2000 (aged 23)	6	Glasgow Warriors

Tonga announced their final squad on 21 August 2023.^[21]

¹ On 18 September 2023, Feao Fotuaika and Otumaka Mausia were ruled out of the World Cup, after sustaining various injuries. They were replaced in the Tonga squad by Siate Tokolahi and Patrick Pellegrini.^[22]

² On 29 September 2023, Siua Maile and Solomone Funaki were ruled out of the World Cup, after sustaining various injuries. They were replaced in the Tonga squad by Sione Anga'aelangi and Penitoa Finau.^[23]

Head coach: Toutai Kefu

Player	Position	Date of birth (age)	Caps	Club/province
Sione Anga'aelangi2	Hooker	(1988-11-07)7 November 1988 (aged 34)	5	Stade Niçois
Siua Maile2	Hooker	(1997-02-18)18 February 1997 (aged 26)	15	Benetton
Sam Moli	Hooker	(1998-12-24)24 December 1998 (aged 24)	13	Moana Pasifika
Paul Ngauamo	Hooker	(1990-02-19)19 February 1990 (aged 33)	27	Castres
Joe Apikotoa	Prop	(1996-07-18)18 July 1996 (aged 27)	3	Moana Pasifika
Siegfried Fisi'ihoi	Prop	(1987-06-08)8 June 1987 (aged 36)	23	Pau
Feao Fotuaika 1	Prop	(1993-04-23)23 April 1993 (aged 30)	5	Lyon
Tau Koloamatangi	Prop	(1995-01-03)3 January 1995 (aged 28)	7	Moana Pasifika
Paula Latu	Prop	(1996-02-14)14 February 1996 (aged 27)	1	Southland
Ben Tameifuna	Prop	(1991-08-30)30 August 1991 (aged 32)	29	Bordeaux
Siate Tokolahi 1	Prop	(1992-03-16)16 March 1992 (aged 31)	3	Pau
Adam Coleman	Lock	(1991-10-07)7 October 1991 (aged 31)	0	Bordeaux
Leva Fifita	Lock	(1989-07-29)29 July 1989 (aged 34)	31	Connacht
Sam Lousi	Lock	(1991-07-20)20 July 1991 (aged 32)	13	Scarlets
Steve Mafi	Lock	(1989-12-09)9 December 1989 (aged 33)	41	Oyonnax
Semisi Paea	Lock	(1999-04-17)17 April 1999 (aged 24)	3	New England Free Jacks
Vaea Fifita	Back row	(1992-06-17)17 June 1992 (aged 31)	9	Scarlets
Penitoa Finau2	Back row	(1993-12-17)17 December 1993 (aged 29)	0	Moana Pasifika
Solomone Funaki2	Back row	(1994-04-25)25 April 1994 (aged 29)	7	Moana Pasifika
Tanginoa Halaifonua	Back row	(1996-09-20)20 September 1996 (aged 26)	13	Stade Français
Sione Havili Talitui	Back row	(1998-01-25)25 January 1998 (aged 25)	9	Crusaders
Sione Vailanu	Back row	(1995-01-27)27 January 1995 (aged 28)	12	Glasgow Warriors
Manu Paea	Scrum-half	(2001-09-17)17 September 2001 (aged 21)	9	Moana Pasifika
Augustine Pulu	Scrum-half	(1990-01-04)4 January 1990 (aged 33)	3	Hino Red Dolphins
Sonatane Takulua (c)	Scrum-half	(1991-01-11)11 January 1991 (aged 32)	52	Agen
William Havili	Fly-half	(1998-09-09)9 September 1998 (aged 24)	9	Moana Pasifika
Otumaka Mausia 1	Fly-half	(1997-04-22)22 April 1997 (aged 26)	11	Western Sydney Two Blues
Patrick Pellegrini 1	Fly-half	(1998-09-28)28 September 1998 (aged 24)	3	Coventry
Pita Ahki	Centre	(1992-09-24)24 September 1992 (aged 30)	4	Toulouse
Malakai Fekitoa	Centre	(1992-05-10)10 May 1992 (aged 31)	8	Benetton
George Moala	Centre	(1990-11-05)5 November 1990 (aged 32)	5	Clermont
Afusipa Taumoepeau	Centre	(1990-01-26)26 January 1990 (aged 33)	12	Perpignan
Fine Inisi	Wing	(1998-05-19)19 May 1998 (aged 25)	7	Moana Pasifika
Solomone Kata	Wing	(1994-12-03)3 December 1994 (aged 28)	9	Leicester Tigers
Kyren Taumoefolau	Wing	(2003-05-08)8 May 2003 (aged 20)	5	Moana Pasifika
Anzelo Tuitavuki	Wing	(1998-10-10)10 October 1998 (aged 24)	7	Moana Pasifika
Charles Piutau	Fullback	(1991-10-31)31 October 1991 (aged 31)	5	Shizuoka Blue Revs

Romania announced their squad on 16 August 2023.^[24]

¹ On 28 August 2023, Mihai Macovei, Mihai Mureșan and Paul Popoaia were replaced by André Gorin, Sioeli Lama and Taliaʻuli Sikuea due to injuries.^[25]

² On 19 September 2023, Romania replaced Gabriel Pop, Taylor Gontineac and Hinckley Vaovasa with Luca Nichitean, Mihai Graure and Alexandru Bucur because of various injuries.^[26]

Head coach: Eugen Apjok

Player	Position	Date of birth (age)	Caps	Club/province
Florin Bărdașu	Hooker	(1991-09-23)23 September 1991 (aged 31)	12	Steaua București
Ovidiu Cojocaru	Hooker	(1996-11-19)19 November 1996 (aged 26)	32	Dinamo București
Robert Irimescu	Hooker	(1996-03-01)1 March 1996 (aged 27)	4	Știința Baia Mare
Costel Burțilă	Prop	(1991-07-14)14 July 1991 (aged 32)	13	Hyères Carqueiranne
Thomas Crețu	Prop	(2002-03-05)5 March 2002 (aged 21)	5	Aurillac
Gheorghe Gajion	Prop	(1992-11-13)13 November 1992 (aged 30)	9	Mont-de-Marsan
Alexandru Gordaș	Prop	(1994-05-11)11 May 1994 (aged 29)	35	Dinamo București
Iulian Harțig	Prop	(1998-10-11)11 October 1998 (aged 24)	9	Bassin d'Arcachon
Alexandru Savin	Prop	(1995-02-12)12 February 1995 (aged 28)	25	Steaua București
Ștefan Iancu	Lock	(1998-07-01)1 July 1998 (aged 25)	5	Știința Baia Mare
Marius Iftimiciuc	Lock	(1997-08-13)13 August 1997 (aged 26)	22	Carcassonne
Adrian Moțoc	Lock	(1996-07-11)11 July 1996 (aged 27)	27	Biarritz
Cristi Boboc	Back row	(1995-10-09)9 October 1995 (aged 27)	9	Steaua București
Cristi Chirică (c)	Back row	(1997-04-09)9 April 1997 (aged 26)	34	Dinamo București
André Gorin 1	Back row	(1987-11-30)30 November 1987 (aged 35)	44	Hyères Carqueiranne
Mihai Macovei 1	Back row	(1986-10-29)29 October 1986 (aged 36)	104	Bassin d'Arcachon
Vlad Neculau	Back row	(1998-01-07)7 January 1998 (aged 25)	14	Timișoara
Florian Roșu	Back row	(1993-04-20)20 April 1993 (aged 30)	13	Știința Baia Mare
Dragoș Ser	Back row	(1999-03-04)4 March 1999 (aged 24)	15	Steaua București
Damian Strătilă	Back row	(1996-07-28)28 July 1996 (aged 27)	6	Steaua București
Alin Conache	Scrum-half	(2002-05-07)7 May 2002 (aged 21)	5	Timișoara
Gabriel Rupanu	Scrum-half	(1997-09-28)28 September 1997 (aged 25)	21	Timișoara
Florin Surugiu	Scrum-half	(1984-12-10)10 December 1984 (aged 38)	103	Steaua București
Tudor Boldor	Fly-half	(1997-11-29)29 November 1997 (aged 25)	16	Dinamo București
Mihai Mureșan 1	Fly-half	(2002-10-02)2 October 2002 (aged 20)	3	Știința Baia Mare
Luca Nichitean 2	Fly-half	(1999-06-29)29 June 1999 (aged 24)	0	Știința Baia Mare
Gabriel Pop 2	Fly-half	(1998-03-29)29 March 1998 (aged 25)	5	Dinamo București
Alexandru Bucur 2	Centre	(1994-04-24)24 April 1994 (aged 29)	15	Știința Baia Mare
Taylor Gontineac 2	Centre	(2000-07-16)16 July 2000 (aged 23)	10	Rouen
Mihai Graure 2	Centre		0	Dinamo București
Tevita Manumua	Centre	(1993-02-12)12 February 1993 (aged 30)	2	Timișoara
Taliaʻuli Sikuea 1	Centre	(1995-07-14)14 July 1995 (aged 28)	1	Știința Baia Mare
Jason Tomane	Centre	(1995-03-04)4 March 1995 (aged 28)	14	Știința Baia Mare
Sioeli Lama 1	Wing	(1995-10-12)12 October 1995 (aged 27)	6	Steaua București
Nicolas Onuțu	Wing	(1995-12-27)27 December 1995 (aged 27)	27	Annonay
Marius Simionescu	Wing	(1997-09-05)5 September 1997 (aged 26)	30	Timișoara
Fonovai Tangimana	Wing	(1989-10-25)25 October 1989 (aged 33)	22	Steaua București
Paul Popoaia 1	Fullback	(2000-05-29)29 May 2000 (aged 23)	12	Știința Baia Mare
Hinckley Vaovasa 2	Fullback	(1998-09-24)24 September 1998 (aged 24)	18	Steaua București

Wales announced their final squad on 21 August 2023.^[27]

¹ On 7 October 2023, Taulupe Faletau was ruled out of the World Cup, after sustaining a broken arm.^[28] He was replaced in the Wales squad by Kieran Hardy.^[29]

Head coach: Warren Gatland

Player	Position	Date of birth (age)	Caps	Club/province
Elliot Dee	Hooker	(1994-03-07)7 March 1994 (aged 29)	43	Dragons
Ryan Elias	Hooker	(1995-01-07)7 January 1995 (aged 28)	34	Scarlets
Dewi Lake (cc)	Hooker	(1999-05-16)16 May 1999 (aged 24)	9	Ospreys
Corey Domachowski	Prop	(1996-11-09)9 November 1996 (aged 26)	2	Cardiff
Tomas Francis	Prop	(1992-04-27)27 April 1992 (aged 31)	72	Provence
Dillon Lewis	Prop	(1996-01-04)4 January 1996 (aged 27)	51	Harlequins
Nicky Smith	Prop	(1994-04-07)7 April 1994 (aged 29)	44	Ospreys
Gareth Thomas	Prop	(1993-08-02)2 August 1993 (aged 30)	22	Ospreys
Henry Thomas	Prop	(1991-10-30)30 October 1991 (aged 31)	2	Montpellier
Adam Beard	Lock	(1996-01-07)7 January 1996 (aged 27)	47	Ospreys
Dafydd Jenkins	Lock	(2002-12-05)5 December 2002 (aged 20)	7	Exeter Chiefs
Will Rowlands	Lock	(1991-09-19)19 September 1991 (aged 31)	25	Racing 92
Christ Tshiunza	Lock	(2002-01-09)9 January 2002 (aged 21)	7	Exeter Chiefs
Taine Basham	Back row	(1999-02-22)22 February 1999 (aged 24)	13	Dragons
Taulupe Faletau 1	Back row	(1990-11-12)12 November 1990 (aged 32)	100	Cardiff
Dan Lydiate	Back row	(1988-12-18)18 December 1988 (aged 34)	71	Dragons
Jac Morgan (cc)	Back row	(2000-01-21)21 January 2000 (aged 23)	11	Ospreys
Tommy Reffell	Back row	(1999-04-27)27 April 1999 (aged 24)	10	Leicester Tigers
Aaron Wainwright	Back row	(1997-09-25)25 September 1997 (aged 25)	39	Dragons
Gareth Davies	Scrum-half	(1990-08-18)18 August 1990 (aged 33)	69	Scarlets
Kieran Hardy 1	Scrum-half	(1995-11-30)30 November 1995 (aged 27)	18	Scarlets
Tomos Williams	Scrum-half	(1995-01-01)1 January 1995 (aged 28)	48	Cardiff
Gareth Anscombe	Fly-half	(1991-05-10)10 May 1991 (aged 32)	35	Tokyo Sungoliath
Dan Biggar	Fly-half	(1989-10-16)16 October 1989 (aged 33)	109	Toulon
Sam Costelow	Fly-half	(2001-01-10)10 January 2001 (aged 22)	4	Scarlets
Mason Grady	Centre	(2002-03-29)29 March 2002 (aged 21)	4	Cardiff
George North	Centre	(1992-04-13)13 April 1992 (aged 31)	114	Ospreys
Nick Tompkins	Centre	(1995-02-16)16 February 1995 (aged 28)	28	Saracens
Johnny Williams	Centre	(1996-10-18)18 October 1996 (aged 26)	6	Scarlets
Josh Adams	Wing	(1995-04-21)21 April 1995 (aged 28)	50	Cardiff
Rio Dyer	Wing	(1999-12-21)21 December 1999 (aged 23)	9	Dragons
Louis Rees-Zammit	Wing	(2001-02-02)2 February 2001 (aged 22)	27	Gloucester
Leigh Halfpenny	Fullback	(1988-12-22)22 December 1988 (aged 34)	100	Unattached
Liam Williams	Fullback	(1991-04-09)9 April 1991 (aged 32)	85	Kubota Spears

Australia announced their final squad on 10 August 2023.^[30]

¹ On 21 September 2023, Max Jorgensen was ruled out of the World Cup, after sustaining a broken leg.^[31]

Head coach: Eddie Jones

Player	Position	Date of birth (age)	Caps	Club/province
Matt Faessler	Hooker	(1998-12-21)21 December 1998 (aged 24)	2	Queensland Reds
Dave Porecki	Hooker	(1992-10-23)23 October 1992 (aged 30)	15	NSW Waratahs
Jordan Uelese	Hooker	(1997-01-24)24 January 1997 (aged 26)	18	Melbourne Rebels
Angus Bell	Prop	(2000-10-04)4 October 2000 (aged 22)	24	NSW Waratahs
Pone Fa'amausili	Prop	(1997-02-26)26 February 1997 (aged 26)	5	Melbourne Rebels
Zane Nonggorr	Prop	(2001-03-30)30 March 2001 (aged 22)	3	Queensland Reds
Blake Schoupp	Prop	(1998-03-28)28 March 1998 (aged 25)	1	ACT Brumbies
James Slipper	Prop	(1989-06-06)6 June 1989 (aged 34)	131	ACT Brumbies
Taniela Tupou	Prop	(1996-05-10)10 May 1996 (aged 27)	49	Queensland Reds
Richie Arnold	Lock	(1990-07-01)1 July 1990 (aged 33)	5	Toulouse
Nick Frost	Lock	(1999-10-10)10 October 1999 (aged 23)	12	ACT Brumbies
Matt Philip	Lock	(1994-03-07)7 March 1994 (aged 29)	29	Melbourne Rebels
Will Skelton (cc)	Lock	(1992-05-03)3 May 1992 (aged 31)	29	La Rochelle
Langi Gleeson	Back row	(2001-07-21)21 July 2001 (aged 22)	4	NSW Waratahs
Tom Hooper	Back row	(2002-01-01)1 January 2002 (aged 21)	4	ACT Brumbies
Josh Kemeny	Back row	(1998-11-29)29 November 1998 (aged 24)	1	Melbourne Rebels
Rob Leota	Back row	(1997-03-03)3 March 1997 (aged 26)	17	Melbourne Rebels
Fraser McReight	Back row	(1999-02-19)19 February 1999 (aged 24)	13	Queensland Reds
Rob Valetini	Back row	(1998-09-03)3 September 1998 (aged 25)	35	ACT Brumbies
Issak Fines-Leleiwasa	Scrum-half	(1995-10-02)2 October 1995 (aged 27)	1	Western Force
Tate McDermott (cc)	Scrum-half	(1998-09-18)18 September 1998 (aged 24)	26	Queensland Reds
Nic White	Scrum-half	(1990-06-13)13 June 1990 (aged 33)	63	ACT Brumbies
Carter Gordon	Fly-half	(2001-01-29)29 January 2001 (aged 22)	5	Melbourne Rebels
Ben Donaldson	Fly-half	(1999-04-05)5 April 1999 (aged 24)	3	NSW Waratahs
Lalakai Foketi	Centre	(1994-12-22)22 December 1994 (aged 28)	6	NSW Waratahs
Samu Kerevi	Centre	(1993-09-27)27 September 1993 (aged 29)	45	Tokyo Sungoliath
Izaia Perese	Centre	(1997-05-17)17 May 1997 (aged 26)	5	NSW Waratahs
Jordan Petaia	Centre	(2000-03-14)14 March 2000 (aged 23)	28	Queensland Reds
Max Jorgensen 1	Wing	(2004-09-02)2 September 2004 (aged 19)	0	NSW Waratahs
Marika Koroibete	Wing	(1992-07-26)26 July 1992 (aged 31)	55	Saitama Wild Knights
Mark Nawaqanitawase	Wing	(2000-09-11)11 September 2000 (aged 22)	7	NSW Waratahs
Suliasi Vunivalu	Wing	(1995-11-27)27 November 1995 (aged 27)	3	Queensland Reds
Andrew Kellaway	Fullback	(1995-10-12)12 October 1995 (aged 27)	24	Melbourne Rebels

Fiji announced their squad on 8 August 2023.^[32]

¹ On 1 September 2023, Caleb Muntz was ruled out of the World Cup, after sustaining a knee injury.^[33] He was replaced in the Fiji squad by Vilimoni Botitu.^[34]

² On 25 September 2023, Jone Koroiduadua was ruled out of the Rugby World Cup, after sustaining an injury. He was replaced in the Fiji squad by Emosi Tuqiri.^[35]

³ On 11 October 2023, Temo Mayanavanua was ruled out of the Rugby World Cup, after sustaining an injury. He was replaced in the Fiji squad by Api Ratuniyarawa.^[36]

Head coach: Simon Raiwalui

Player	Position	Date of birth (age)	Caps	Club/province
Tevita Ikanivere	Hooker	(1999-09-06)6 September 1999 (aged 24)	8	Fijian Drua
Sam Matavesi	Hooker	(1992-01-13)13 January 1992 (aged 31)	26	Northampton Saints
Zuriel Togiatama	Hooker	(1999-02-03)3 February 1999 (aged 24)	3	Fijian Drua
Mesake Doge	Prop	(1993-04-01)1 April 1993 (aged 30)	10	Fijian Drua
Jone Koroiduadua 2	Prop	(1997-02-27)27 February 1997 (aged 26)	2	Fijian Drua
Eroni Mawi	Prop	(1996-06-02)2 June 1996 (aged 27)	25	Saracens
Peni Ravai	Prop	(1990-06-16)16 June 1990 (aged 33)	39	Queensland Reds
Luke Tagi	Prop	(1997-06-23)23 June 1997 (aged 26)	9	Bayonne
Samu Tawake	Prop	(1996-09-11)11 September 1996 (aged 26)	2	Fijian Drua
Emosi Tuqiri 2	Prop	(2000-12-28)28 December 2000 (aged 22)	0	Fijian Drua
Te Ahiwaru Cirikidaveta	Lock	(1998-04-12)12 April 1998 (aged 25)	5	Fijian Drua
Temo Mayanavanua 3	Lock	(1997-11-09)9 November 1997 (aged 25)	11	Northampton Saints
Isoa Nasilasila	Lock	(1999-09-13)13 September 1999 (aged 23)	7	Fijian Drua
Api Ratuniyarawa 3	Lock	(1986-07-11)11 July 1986 (aged 37)	41	Bayonne
Lekima Tagitagivalu	Lock	(1995-12-04)4 December 1995 (aged 27)	3	Pau
Levani Botia	Back row	(1989-03-14)14 March 1989 (aged 34)	24	La Rochelle
Meli Derenalagi	Back row	(1998-11-26)26 November 1998 (aged 24)	3	Fijian Drua
Viliame Mata	Back row	(1991-10-22)22 October 1991 (aged 31)	26	Edinburgh
Vilive Miramira	Back row	(1999-03-21)21 March 1999 (aged 24)	1	Fijian Drua
Albert Tuisue	Back row	(1993-06-06)6 June 1993 (aged 30)	19	Gloucester
Simione Kuruvoli	Scrum-half	(1999-01-02)2 January 1999 (aged 24)	7	Fijian Drua
Frank Lomani	Scrum-half	(1996-04-18)18 April 1996 (aged 27)	26	Fijian Drua
Ratu Peni Matawalu	Scrum-half	(1997-07-08)8 July 1997 (aged 26)	5	Fijian Drua
Caleb Muntz 1	Fly-half	(1999-10-30)30 October 1999 (aged 23)	4	Fijian Drua
Teti Tela	Fly-half	(1991-03-07)7 March 1991 (aged 32)	6	Fijian Drua
Vilimoni Botitu 1	Centre	(1998-06-15)15 June 1998 (aged 25)	8	Castres
Sireli Maqala	Centre	(2000-03-21)21 March 2000 (aged 23)	4	Bayonne
Iosefo Masi	Centre	(1998-05-09)9 May 1998 (aged 25)	2	Fijian Drua
Waisea Nayacalevu (c)	Centre	(1990-06-26)26 June 1990 (aged 33)	39	Toulon
Semi Radradra	Centre	(1992-06-13)13 June 1992 (aged 31)	15	Lyon
Josua Tuisova	Centre	(1994-02-04)4 February 1994 (aged 29)	19	Racing 92
Vinaya Habosi	Wing	(2000-01-30)30 January 2000 (aged 23)	6	Racing 92
Kalaveti Ravouvou	Wing	(1998-06-06)6 June 1998 (aged 25)	6	Bristol Bears
Selestino Ravutaumada	Wing	(2000-01-17)17 January 2000 (aged 23)	4	Fijian Drua
Jiuta Wainiqolo	Wing	(1999-03-10)10 March 1999 (aged 24)	4	Toulon
Ilaisa Droasese	Fullback	(1999-09-13)13 September 1999 (aged 23)	4	Fijian Drua

Georgia announced their final squad on 28 August 2023.^[37]

¹ On 27 September 2023, Beka Gorgadze was ruled out of the World Cup, after sustaining an ankle injury. He was replaced in the Georgia squad by Otar Giorgadze. Later that day, Luka Japaridze left the Georgia squad, after sustaining a back injury. He was replaced by Irakli Aptsiauri.^[38]

² On 2 October 2023, Tengiz Zamtaradze, Mirian Modebadze and Lasha Jaiani were ruled out of the World Cup, after sustaining various injuries. They were replaced in the Georgia squad by Vano Karkadze, Otar Lashkhi and Mikheil Babunashvili.^[39]

Head Coach: Levan Maisashvili

Player	Position	Date of birth (age)	Caps	Club/province
Shalva Mamukashvili	Hooker	(1990-10-02)2 October 1990 (aged 32)	100	Black Lion
Luka Nioradze	Hooker	(1999-04-06)6 April 1999 (aged 24)	1	Aurillac
Tengiz Zamtaradze 2	Hooker	(1998-01-02)2 January 1998 (aged 25)	4	Black Lion
Vano Karkadze 2	Hooker	(2000-06-25)25 June 2000 (aged 23)	7	Montpellier
Nika Abuladze	Prop	(1995-08-20)20 August 1995 (aged 28)	12	Exeter Chiefs
Irakli Aptsiauri 1	Prop	(2003-02-23)23 February 2003 (aged 20)	0	Grenoble
Beka Gigashvili	Prop	(1992-02-17)17 February 1992 (aged 31)	36	Toulon
Guram Gogichashvili	Prop	(1998-09-04)4 September 1998 (aged 25)	39	Racing 92
Luka Japaridze 1	Prop	(1998-09-06)6 September 1998 (aged 25)	8	Montpellier
Mikheil Nariashvili	Prop	(1990-05-25)25 May 1990 (aged 33)	73	Black Lion
Guram Papidze	Prop	(1997-06-16)16 June 1997 (aged 26)	12	Pau
Lado Chachanidze	Lock	(2000-05-14)14 May 2000 (aged 23)	13	Nevers
Nodar Tcheishvili	Lock	(1990-11-13)13 November 1990 (aged 32)	48	Black Lion
Mikheil Babunashvili 2	Lock	(1996-05-31)31 May 1996 (aged 27)	2	Black Lion
Lasha Jaiani 2	Lock	(1998-04-21)21 April 1998 (aged 25)	19	Nevers
Konstantin Mikautadze	Lock	(1991-07-01)1 July 1991 (aged 32)	84	Bayonne
Mikheil Gachechiladze	Back row	(1990-12-24)24 December 1990 (aged 32)	21	Black Lion
Otar Giorgadze 1	Back row	(1996-03-02)2 March 1996 (aged 27)	35	Montauban
Beka Gorgadze 1	Back row	(1996-02-08)8 February 1996 (aged 27)	40	Pau
Luka Ivanishvili	Back row	(2001-11-25)25 November 2001 (aged 21)	7	Black Lion
Tornike Jalagonia	Back row	(1998-12-12)12 December 1998 (aged 24)	24	Biarritz
Beka Saghinadze	Back row	(1998-10-29)29 October 1998 (aged 24)	36	Lyon
Giorgi Tsutskiridze	Back row	(1996-11-26)26 November 1996 (aged 26)	31	Stade Français
Gela Aprasidze	Scrum-half	(1998-01-14)14 January 1998 (aged 25)	48	Bayonne
Vasil Lobzhanidze	Scrum-half	(1996-10-14)14 October 1996 (aged 26)	78	Brive
Tengiz Peranidze	Scrum-half	(1998-04-06)6 April 1998 (aged 25)	1	Black Lion
Tedo Abzhandadze	Fly-half	(1999-06-13)13 June 1999 (aged 24)	43	Montauban
Luka Matkava	Fly-half	(2001-10-05)5 October 2001 (aged 21)	10	Black Lion
Tornike Kakhoidze	Centre	(2003-08-16)16 August 2003 (aged 20)	3	Black Lion
Giorgi Kveseladze	Centre	(1997-11-11)11 November 1997 (aged 25)	48	Black Lion
Merab Sharikadze (c)	Centre	(1993-05-17)17 May 1993 (aged 30)	96	Black Lion
Demur Tapladze	Centre	(2000-03-18)18 March 2000 (aged 23)	28	Black Lion
Mirian Modebadze 2	Wing	(1997-10-27)27 October 1997 (aged 25)	25	Black Lion
Otar Lashkhi 2	Wing	(2000-04-27)27 April 2000 (aged 23)	2	Black Lion
Aka Tabutsadze	Wing	(1997-08-19)19 August 1997 (aged 26)	31	Black Lion
Alexander Todua	Wing	(1987-11-02)2 November 1987 (aged 35)	108	Black Lion
Lasha Khmaladze	Fullback	(1988-01-20)20 January 1988 (aged 35)	96	RC Batumi
Davit Niniashvili	Fullback	(2002-07-14)14 July 2002 (aged 21)	23	Lyon

Portugal announced their final squad on 28 August 2023.^[40]

Head coach: Patrice Lagisquet

Player	Position	Date of birth (age)	Caps	Club/province
Lionel Campergue	Hooker	(1987-11-24)24 November 1987 (aged 35)	21	Bassin d'Arcachon
Duarte Diniz	Hooker	(1995-11-08)8 November 1995 (aged 27)	35	Direito
Mike Tadjer	Hooker	(1989-03-10)10 March 1989 (aged 34)	32	Perpignan
Anthony Alves	Prop	(1989-06-23)23 June 1989 (aged 34)	31	Mont-de-Marsan
Francisco Bruno	Prop	(1995-05-28)28 May 1995 (aged 28)	24	Direito
David Costa	Prop	(1999-07-05)5 July 1999 (aged 24)	25	Direito
Francisco Fernandes	Prop	(1985-09-06)6 September 1985 (aged 38)	44	Béziers
Diogo Hasse Ferreira	Prop	(1996-10-17)17 October 1996 (aged 26)	37	Dax
António Machado Santos	Prop	(1998-06-09)9 June 1998 (aged 25)	2	Belenenses
Martim Bello	Lock	(2000-09-27)27 September 2000 (aged 22)	6	Cascais
Steevy Cerqueira	Lock	(1993-08-09)9 August 1993 (aged 30)	12	Chambéry
José Madeira	Lock	(2001-03-19)19 March 2001 (aged 22)	32	Grenoble
Duarte Torgal	Lock	(1997-12-23)23 December 1997 (aged 25)	19	Direito
Thibault de Freitas	Back row	(1992-01-08)8 January 1992 (aged 31)	31	Floirac
João Granate	Back row	(1997-02-21)21 February 1997 (aged 26)	31	Direito
Nicolas Martins	Back row	(1999-01-18)18 January 1999 (aged 24)	8	Soyaux Angoulême
Manuel Picão	Back row	(1997-04-10)10 April 1997 (aged 26)	21	Direito
Rafael Simões	Back row	(1991-06-20)20 June 1991 (aged 32)	27	CDUL
David Wallis	Back row	(1997-04-17)17 April 1997 (aged 26)	20	Belenenses
João Bello	Scrum-half	(1995-08-02)2 August 1995 (aged 28)	25	CDUP
Pedro Lucas	Scrum-half	(2000-10-16)16 October 2000 (aged 22)	17	Técnico
Samuel Marques	Scrum-half	(1988-12-08)8 December 1988 (aged 34)	22	Béziers
Joris Moura	Fly-half	(2000-05-07)7 May 2000 (aged 23)	1	Valence Romans
Jerónimo Portela	Fly-half	(2000-11-02)2 November 2000 (aged 22)	25	Direito
Tomás Appleton (c)	Centre	(1993-07-29)29 July 1993 (aged 30)	62	CDUL
Pedro Bettencourt	Centre	(1994-11-18)18 November 1994 (aged 28)	30	Oyonnax
José Lima	Centre	(1992-04-24)24 April 1992 (aged 31)	55	Narbonne
Rodrigo Marta	Wing	(1999-11-18)18 November 1999 (aged 23)	31	Colomiers
Vincent Pinto	Wing	(1999-04-10)10 April 1999 (aged 24)	14	Colomiers
Manuel Cardoso Pinto	Wing	(1998-04-07)7 April 1998 (aged 25)	30	Agronomia
Raffaele Storti	Wing	(2000-12-19)19 December 2000 (aged 22)	21	Béziers
Simão Bento	Fullback	(2001-06-21)21 June 2001 (aged 22)	11	Mont-de-Marsan
Nuno Sousa Guedes	Fullback	(1994-11-21)21 November 1994 (aged 28)	38	CDUP

England announced their initial squad on 7 August 2023.^[41]

¹ On 14 August 2023, Jack van Poortvliet was ruled out of the World Cup, after sustaining an ankle injury. He was replaced in the England squad by Alex Mitchell.^[42]

² On 27 August 2023, Anthony Watson was ruled out of the World Cup, after sustaining a calf injury.^[43] He was replaced in the England squad by Jonny May.^[44]

³ On 5 October 2023, Jack Willis was ruled out of the World Cup, after sustaining a neck injury.^[45] He was replaced in the England squad by Sam Underhill.^[46]

Head coach: Steve Borthwick

Player	Position	Date of birth (age)	Caps	Club/province
Theo Dan	Hooker	(2000-12-26)26 December 2000 (aged 22)	3	Saracens
Jamie George	Hooker	(1990-10-20)20 October 1990 (aged 32)	79	Saracens
Jack Walker	Hooker	(1996-05-06)6 May 1996 (aged 27)	4	Harlequins
Dan Cole	Prop	(1987-05-09)9 May 1987 (aged 36)	102	Leicester Tigers
Ellis Genge (vc)	Prop	(1995-02-16)16 February 1995 (aged 28)	52	Bristol Bears
Joe Marler	Prop	(1990-07-07)7 July 1990 (aged 33)	82	Harlequins
Bevan Rodd	Prop	(2000-08-26)26 August 2000 (aged 23)	3	Sale Sharks
Kyle Sinckler	Prop	(1993-03-30)30 March 1993 (aged 30)	63	Bristol Bears
Will Stuart	Prop	(1996-07-12)12 July 1996 (aged 27)	29	Bath
Ollie Chessum	Lock	(2000-09-06)6 September 2000 (aged 23)	11	Leicester Tigers
Maro Itoje	Lock	(1994-10-28)28 October 1994 (aged 28)	70	Saracens
Courtney Lawes (vc)	Lock	(1989-02-23)23 February 1989 (aged 34)	100	Northampton Saints
George Martin	Lock	(2001-06-18)18 June 2001 (aged 22)	3	Leicester Tigers
David Ribbans	Lock	(1995-08-29)29 August 1995 (aged 28)	8	Toulon
Tom Curry	Back row	(1998-06-15)15 June 1998 (aged 25)	45	Sale Sharks
Ben Earl	Back row	(1998-01-07)7 January 1998 (aged 25)	18	Saracens
Lewis Ludlam	Back row	(1995-12-08)8 December 1995 (aged 27)	21	Northampton Saints
Sam Underhill 3	Back row	(1996-07-22)22 July 1996 (aged 27)	29	Bath
Jack Willis 3	Back row	(1996-12-24)24 December 1996 (aged 26)	13	Toulouse
Billy Vunipola	Back row	(1992-11-03)3 November 1992 (aged 30)	70	Saracens
Danny Care	Scrum-half	(1987-01-02)2 January 1987 (aged 36)	90	Harlequins
Alex Mitchell 1	Scrum-half	(1997-05-25)25 May 1997 (aged 26)	6	Northampton Saints
Jack van Poortvliet 1	Scrum-half	(2001-05-15)15 May 2001 (aged 22)	14	Leicester Tigers
Ben Youngs	Scrum-half	(1989-09-05)5 September 1989 (aged 34)	124	Leicester Tigers
Owen Farrell (c)	Fly-half	(1991-09-24)24 September 1991 (aged 31)	107	Saracens
George Ford	Fly-half	(1993-03-16)16 March 1993 (aged 30)	85	Sale Sharks
Marcus Smith	Fly-half	(1999-02-14)14 February 1999 (aged 24)	24	Harlequins
Elliot Daly	Centre	(1992-10-08)8 October 1992 (aged 30)	59	Saracens
Ollie Lawrence	Centre	(1999-09-18)18 September 1999 (aged 23)	14	Bath
Joe Marchant	Centre	(1996-07-16)16 July 1996 (aged 27)	19	Stade Français
Manu Tuilagi	Centre	(1991-05-18)18 May 1991 (aged 32)	53	Sale Sharks
Max Malins	Wing	(1997-01-07)7 January 1997 (aged 26)	21	Bristol Bears
Jonny May 2	Wing	(1990-04-01)1 April 1990 (aged 33)	72	Gloucester
Anthony Watson 2	Wing	(1994-02-26)26 February 1994 (aged 29)	56	Unattached
Henry Arundell	Fullback	(2002-11-08)8 November 2002 (aged 20)	8	Racing 92
Freddie Steward	Fullback	(2000-12-05)5 December 2000 (aged 22)	26	Leicester Tigers

On 15 August 2023, Japan named an initial 30-player squad for the World Cup, with three players remaining to be added.^[47] On 18 August 2023, Warner Dearns, Amanaki Saumaki and Lappies Labuschagné were added to complete the 33-player squad.

¹ On 18 August 2023, James Moore was replaced by Uwe Helu.^[48]

² On 29 August 2023, Uwe Helu and Shōgo Nakano were withdrawn due to performance issues and replaced by Amato Fakatava and Kanji Shimokawa.^[49]

³ On 19 September 2023, Semisi Masirewa was replaced, after a leg injury, by Ryohei Yamanaka.^[50]

Head Coach: Jamie Joseph

Player	Position	Date of birth (age)	Caps	Club/province
Shota Horie	Hooker	(1986-01-21)21 January 1986 (aged 37)	72	Saitama Wild Knights
Kosuke Horikoshi	Hooker	(1995-06-02)2 June 1995 (aged 28)	7	Tokyo Sungoliath
Atsushi Sakate	Hooker	(1993-06-21)21 June 1993 (aged 30)	37	Saitama Wild Knights
Asaeli Ai Valu	Prop	(1989-05-07)7 May 1989 (aged 34)	26	Saitama Wild Knights
Sione Halasili	Prop	(1999-10-15)15 October 1999 (aged 23)	0	Yokohama Canon Eagles
Keita Inagaki	Prop	(1990-06-02)2 June 1990 (aged 33)	49	Saitama Wild Knights
Koo Ji-won	Prop	(1994-07-20)20 July 1994 (aged 29)	25	Kobelco Kobe Steelers
Shinnosuke Kakinaga	Prop	(1991-12-19)19 December 1991 (aged 31)	12	Tokyo Sungoliath
Craig Millar	Prop	(1990-10-29)29 October 1990 (aged 32)	13	Saitama Wild Knights
Jack Cornelsen	Lock	(1994-10-13)13 October 1994 (aged 28)	16	Saitama Wild Knights
Warner Dearns	Lock	(2002-04-11)11 April 2002 (aged 21)	7	Toshiba Brave Lupus Tokyo
Amato Fakatava 2	Lock	(1994-12-07)7 December 1994 (aged 28)	3	Black Rams Tokyo
Uwe Helu 1, 2	Lock	(1990-07-12)12 July 1990 (aged 33)	19	Kubota Spears
James Moore 1	Lock	(1993-11-06)6 November 1993 (aged 29)	16	Urayasu D-Rocks
Amanaki Saumaki	Lock	(1997-03-08)8 March 1997 (aged 26)	1	Kobelco Kobe Steelers
Shota Fukui	Back row	(1999-09-28)28 September 1999 (aged 23)	2	Saitama Wild Knights
Ben Gunter	Back row	(1997-10-24)24 October 1997 (aged 25)	8	Saitama Wild Knights
Kazuki Himeno (c)	Back row	(1994-07-27)27 July 1994 (aged 29)	29	Toyota Verblitz
Lappies Labuschagné	Back row	(1989-01-11)11 January 1989 (aged 34)	16	Kubota Spears
Michael Leitch	Back row	(1988-10-07)7 October 1988 (aged 34)	80	Toshiba Brave Lupus Tokyo
Kanji Shimokawa 2	Back row	(1999-01-17)17 January 1999 (aged 24)	2	Tokyo Sungoliath
Kenta Fukuda	Scrum-half	(1996-12-19)19 December 1996 (aged 26)	0	Toyota Verblitz
Yutaka Nagare	Scrum-half	(1992-09-04)4 September 1992 (aged 31)	34	Tokyo Sungoliath
Naoto Saito	Scrum-half	(1997-08-26)26 August 1997 (aged 26)	15	Tokyo Sungoliath
Jumpei Ogura	Fly-half	(1992-07-11)11 July 1992 (aged 31)	4	Yokohama Canon Eagles
Rikiya Matsuda	Fly-half	(1994-05-03)3 May 1994 (aged 29)	33	Saitama Wild Knights
Lee Seung-sin	Fly-half	(2001-01-13)13 January 2001 (aged 22)	10	Kobelco Kobe Steelers
Ryoto Nakamura	Centre	(1991-06-03)3 June 1991 (aged 32)	35	Tokyo Sungoliath
Shōgo Nakano 2	Centre	(1997-06-11)11 June 1997 (aged 26)	7	Tokyo Sungoliath
Dylan Riley	Centre	(1997-05-02)2 May 1997 (aged 26)	14	Saitama Wild Knights
Tomoki Osada	Centre	(1999-11-25)25 November 1999 (aged 23)	4	Saitama Wild Knights
Ryohei Yamanaka 3	Centre	(1988-06-22)22 June 1988 (aged 35)	18	Kobelco Kobe Steelers
Siosaia Fifita	Wing	(1998-12-20)20 December 1998 (aged 24)	12	Toyota Verblitz
Lomano Lemeki	Wing	(1989-01-20)20 January 1989 (aged 34)	16	Green Rockets Tokatsu
Semisi Masirewa 3	Wing	(1992-06-09)9 June 1992 (aged 31)	5	Hanazono Kintetsu Liners
Jone Naikabula	Wing	(1994-04-12)12 April 1994 (aged 29)	4	Toshiba Brave Lupus Tokyo
Kotaro Matsushima	Fullback	(1993-02-26)26 February 1993 (aged 30)	51	Tokyo Sungoliath

Argentina announced their final squad on 7 August 2023.^[51]

¹ On 22 August 2023, Nahuel Tetaz Chaparro was ruled out of the World Cup, after sustaining an injury. He was replaced in the Argentina squad by Mayco Vivas.^[52]

² On 27 August 2023, Santiago Grondona was ruled out of the World Cup, after sustaining an injury. He was replaced in the Argentina squad by Joaquín Oviedo.^[53]

³ On 9 October 2023, Pablo Matera was ruled out of the World Cup, after sustaining a hamstring injury. He was replaced in the Argentina squad by Lucas Paulos.^[54]

Head coach: Michael Cheika

Player	Position	Date of birth (age)	Caps	Club/province
Agustín Creevy	Hooker	(1985-03-15)15 March 1985 (aged 38)	101	Sale Sharks
Julián Montoya (c)	Hooker	(1993-10-29)29 October 1993 (aged 29)	89	Leicester Tigers
Ignacio Ruiz	Hooker	(2001-01-03)3 January 2001 (aged 22)	6	Perpignan
Eduardo Bello	Prop	(1995-11-27)27 November 1995 (aged 27)	14	Newcastle Falcons
Thomas Gallo	Prop	(1999-04-30)30 April 1999 (aged 24)	17	Benetton
Francisco Gómez Kodela	Prop	(1985-07-07)7 July 1985 (aged 38)	31	Lyon
Joel Sclavi	Prop	(1994-06-25)25 June 1994 (aged 29)	12	La Rochelle
Nahuel Tetaz Chaparro 1	Prop	(1989-03-11)11 March 1989 (aged 34)	78	Benetton
Mayco Vivas 1	Prop	(1998-06-02)2 June 1998 (aged 25)	19	Gloucester
Matías Alemanno	Lock	(1991-12-05)5 December 1991 (aged 31)	87	Gloucester
Tomás Lavanini	Lock	(1993-01-22)22 January 1993 (aged 30)	82	Clermont
Lucas Paulos 3	Lock	(1998-01-09)9 January 1998 (aged 25)	12	Brive
Guido Petti	Lock	(1994-09-17)17 September 1994 (aged 28)	75	Bordeaux Bègles
Pedro Rubiolo	Lock	(2002-12-12)12 December 2002 (aged 20)	5	Newcastle Falcons
Rodrigo Bruni	Back row	(1993-09-03)3 September 1993 (aged 30)	21	Bayonne
Juan Martín González	Back row	(2000-11-14)14 November 2000 (aged 22)	24	Saracens
Santiago Grondona 2	Back row	(1998-07-25)25 July 1998 (aged 25)	15	Bristol Bears
Facundo Isa	Back row	(1993-09-21)21 September 1993 (aged 29)	47	Toulon
Marcos Kremer	Back row	(1997-07-30)30 July 1997 (aged 26)	57	Clermont
Pablo Matera 3	Back row	(1993-07-18)18 July 1993 (aged 30)	95	Mie Honda Heat
Joaquín Oviedo 2	Back row	(1998-07-25)25 July 1998 (aged 25)	1	Perpignan
Lautaro Bazán	Scrum-half	(1996-02-24)24 February 1996 (aged 27)	7	Rovigo Delta
Gonzalo Bertranou	Scrum-half	(1993-12-31)31 December 1993 (aged 29)	53	Dragons
Tomás Cubelli	Scrum-half	(1989-06-12)12 June 1989 (aged 34)	89	Miami Sharks
Santiago Carreras	Fly-half	(1998-03-30)30 March 1998 (aged 25)	35	Gloucester
Nicolás Sánchez	Fly-half	(1988-08-26)26 August 1988 (aged 35)	98	Unattached
Santiago Chocobares	Centre	(1999-03-31)31 March 1999 (aged 24)	14	Toulouse
Lucio Cinti	Centre	(2000-02-23)23 February 2000 (aged 23)	16	Saracens
Jerónimo de la Fuente	Centre	(1991-02-24)24 February 1991 (aged 32)	76	Perpignan
Matías Moroni	Centre	(1991-03-29)29 March 1991 (aged 32)	74	Newcastle Falcons
Emiliano Boffelli	Wing	(1995-01-16)16 January 1995 (aged 28)	53	Edinburgh
Mateo Carreras	Wing	(1999-12-17)17 December 1999 (aged 23)	11	Newcastle Falcons
Juan Imhoff	Wing	(1988-05-11)11 May 1988 (aged 35)	42	Racing 92
Rodrigo Isgró	Wing	(1999-03-24)24 March 1999 (aged 24)	2	Argentina Sevens
Martín Bogado	Fullback	(1998-04-29)29 April 1998 (aged 25)	2	Highlanders
Juan Cruz Mallía	Fullback	(1996-09-11)11 September 1996 (aged 26)	26	Toulouse

Samoa announced their final squad on 28 August 2023.^[55]

¹ On 18 September 2023, Luteru Tolai was ruled out of the World Cup, after sustaining a knee injury.^[56] He was replaced in the Samoa squad by Ray Niuia.^[57]

Head coach: Seilala Mapusua

Player	Position	Date of birth (age)	Caps	Club/province
Seilala Lam	Hooker	(1989-02-18)18 February 1989 (aged 34)	23	Perpignan
Sama Malolo	Hooker	(1998-02-19)19 February 1998 (aged 25)	3	San Diego Legion
Ray Niuia 1	Hooker	(1991-06-19)19 June 1991 (aged 32)	14	Moana Pasifika
Luteru Tolai 1	Hooker	(1998-06-01)1 June 1998 (aged 25)	3	Moana Pasifika
Michael Alaalatoa (c)	Prop	(1991-08-28)28 August 1991 (aged 32)	13	Leinster
Paul Alo-Emile	Prop	(1991-12-22)22 December 1991 (aged 31)	21	Stade Français
Charlie Faumuina	Prop	(1986-12-24)24 December 1986 (aged 36)	3	Toulouse
James Lay	Prop	(1993-12-16)16 December 1993 (aged 29)	12	Blues
Jordan Lay	Prop	(1992-11-05)5 November 1992 (aged 30)	26	Blues
Brian Alainu'uese	Lock	(1994-03-19)19 March 1994 (aged 29)	5	Toulon
Theo McFarland	Lock	(1995-10-16)16 October 1995 (aged 27)	7	Saracens
Sam Slade	Lock	(1997-08-28)28 August 1997 (aged 26)	4	Moana Pasifika
Chris Vui (c)	Lock	(1993-02-11)11 February 1993 (aged 30)	25	Bristol Bears
So'otala Fa'aso'o	Back row	(1994-10-02)2 October 1994 (aged 28)	1	Perpignan
Miracle Faiʻilagi	Back row	(1999-08-31)31 August 1999 (aged 24)	3	Moana Pasifika
Fritz Lee	Back row	(1988-08-29)29 August 1988 (aged 35)	7	Clermont
Steve Luatua	Back row	(1991-04-29)29 April 1991 (aged 32)	3	Bristol Bears
Alamanda Motuga	Back row	(1995-09-11)11 September 1995 (aged 27)	5	Moana Pasifika
Taleni Seu	Back row	(1993-12-26)26 December 1993 (aged 29)	6	Toyota Shuttles
Jordan Taufua	Back row	(1992-01-29)29 January 1992 (aged 31)	6	Lyon
Ere Enari	Scrum-half	(1997-05-30)30 May 1997 (aged 26)	7	Moana Pasifika
Melani Matavao	Scrum-half	(1995-11-19)19 November 1995 (aged 27)	13	Samoa Sevens
Jonathan Taumateine	Scrum-half	(1996-09-28)28 September 1996 (aged 26)	11	Moana Pasifika
Christian Leali'ifano	Fly-half	(1987-09-24)24 September 1987 (aged 35)	3	Moana Pasifika
Lima Sopoaga	Fly-half	(1991-02-03)3 February 1991 (aged 32)	1	Shimizu Blue Sharks
D'Angelo Leuila	Centre	(1997-01-18)18 January 1997 (aged 26)	18	Moana Pasifika
Tumua Manu	Centre	(1993-04-18)18 April 1993 (aged 30)	7	Pau
Duncan Paia'aua	Centre	(1995-01-20)20 January 1995 (aged 28)	6	Toulon
UJ Seuteni	Centre	(1993-12-09)9 December 1993 (aged 29)	12	La Rochelle
Nigel Ah Wong	Wing	(1990-05-30)30 May 1990 (aged 33)	8	Unattached
Ed Fidow	Wing	(1993-09-11)11 September 1993 (aged 29)	19	New York
Neria Fomai	Wing	(1992-02-03)3 February 1992 (aged 31)	8	Moana Pasifika
Ben Lam	Wing	(1991-06-09)9 June 1991 (aged 32)	0	Montpellier
Danny Toala	Fullback	(1999-03-26)26 March 1999 (aged 24)	8	Moana Pasifika

Chile announced their final squad on 27 August 2023.^[58]

¹ On 8 September 2023, Nicolás Garafulic was ruled out of the World Cup, after sustaining an injury. He was replaced in the Chile squad by Cristóbal Game Jiménez.^[59]

Head coach: Pablo Lemoine

Player	Position	Date of birth (age)	Caps	Franchise/province
Augusto Böhme	Hooker	(1997-06-11)11 June 1997 (aged 26)	22	Selknam
Tomás Dussaillant	Hooker	(1990-10-06)6 October 1990 (aged 32)	37	Selknam
Diego Escobar	Hooker	(2000-04-17)17 April 2000 (aged 23)	5	Selknam
Javier Carrasco	Prop	(1997-08-24)24 August 1997 (aged 26)	19	Selknam
Matías Dittus	Prop	(1993-07-16)16 July 1993 (aged 30)	21	Périgueux
Iñaki Gurruchaga	Prop	(1995-10-13)13 October 1995 (aged 27)	11	Selknam
Esteban Inostroza	Prop	(1994-01-01)1 January 1994 (aged 29)	1	Selknam
Vittorio Lastra	Prop	(1996-03-26)26 March 1996 (aged 27)	22	Selknam
Salvador Lues	Prop	(1999-11-06)6 November 1999 (aged 23)	11	Selknam
Javier Eissman	Lock	(1997-03-21)21 March 1997 (aged 26)	21	Selknam
Pablo Huete	Lock	(1989-01-11)11 January 1989 (aged 34)	30	Selknam
Santiago Pedrero	Lock	(2000-11-30)30 November 2000 (aged 22)	6	Selknam
Augusto Sarmiento	Lock	(1993-04-30)30 April 1993 (aged 30)	15	PWCC
Alfonso Escobar	Back row	(1997-08-17)17 August 1997 (aged 26)	18	Selknam
Raimundo Martínez	Back row	(1999-11-25)25 November 1999 (aged 23)	10	Selknam
Thomas Orchard	Back row	(1997-01-12)12 January 1997 (aged 26)	12	Selknam
Clemente Saavedra	Back row	(1997-12-15)15 December 1997 (aged 25)	20	Selknam
Martín Sigren (c)	Back row	(1996-05-14)14 May 1996 (aged 27)	27	Doncaster Knights
Ignacio Silva	Back row	(1989-02-16)16 February 1989 (aged 34)	38	Selknam
Lukas Carvallo	Scrum-half	(2001-07-06)6 July 2001 (aged 22)	6	Selknam
Nicolás Herreros	Scrum-half	(1990-01-23)23 January 1990 (aged 33)	5	Selknam
Marcelo Torrealba	Scrum-half	(1996-05-06)6 May 1996 (aged 27)	12	Selknam
Benjamín Videla	Scrum-half	(2001-04-24)24 April 2001 (aged 22)	0	Selknam
Rodrigo Fernández	Fly-half	(1996-02-08)8 February 1996 (aged 27)	23	Selknam
Santiago Videla	Fly-half	(1998-01-16)16 January 1998 (aged 25)	25	Selknam
Pablo Casas	Centre	(1992-03-04)4 March 1992 (aged 31)	15	Selknam
Matías Garafulic	Centre	(2000-09-01)1 September 2000 (aged 23)	12	Selknam
José Ignacio Larenas	Centre	(1989-09-14)14 September 1989 (aged 33)	47	Selknam
Domingo Saavedra	Centre	(1997-12-15)15 December 1997 (aged 25)	24	Selknam
Cristóbal Game Jiménez 1	Wing	(2002-07-09)9 July 2002 (aged 21)	1	Old John's
Nicolás Garafulic 1	Wing	(1998-09-11)11 September 1998 (aged 24)	19	Selknam
Franco Velarde	Wing	(1994-11-04)4 November 1994 (aged 28)	16	VOBGS
Iñaki Ayarza	Fullback	(1999-09-07)7 September 1999 (aged 24)	14	Soyaux Angoulême
Francisco Urroz	Fullback	(1993-09-07)7 September 1993 (aged 30)	11	Selknam

All statistics relate to the initial 33-man squads named before the start of the tournament on 8 September 2023, and do not include players who joined a squad during the tournament.

• Four squads have all of their players attached to clubs based within their home country: France, Ireland, Japan and New Zealand.
• One squad has none of their players attached to clubs based within their home country: Tonga.

A total of 142 different clubs are represented across the 660 players named for the World Cup.

The club sides with the most players represented across the 20 squads are as follows:

Players	Clubs
28	Selknam
21	Peñarol
20	Benetton
19	Moana Pasifika
18	Leinster
17	Fijian Drua / Toulouse
16	Edinburgh
15	Black Lion / Glasgow Warriors
13	Saracens / Saitama Wild Knights
11	La Rochelle / Toulon

League	Players	Percent
Total	660	—
United Rugby Championship ( / / / / )	132	20.0%
Top 14 ()	106	16.0%
Super Rugby ( / / )	106	16.0%
Premiership Rugby ()	64	9.6%
Japan Rugby League One ()	50	7.6%
Super Rugby Americas ( / )	49	7.4%
Pro D2 ()	32	4.8%
Liga Națională de Rugby ()	24	3.6%
European Professional Club Rugby ( / )	17	2.6%
Campeonato Português de Rugby ()	16	2.4%
Championnat Fédéral Nationale / Fédérale 1, 2, 3 ()	14	2.1%
Major League Rugby ()	10	1.5%
Other ( / / / / / / / / / / )	31	4.7%
Unattached	9	1.4%

Union	Players	Percent	Other national squad
Total	660	—	—
Argentina	1	0.2%	0
Australia	32	4.9	3
Chile	30	4.6%	—
England	64	9.7%	36
Fiji	17	2.6%	—
France	155	23.5%	122
Georgia	16	2.4%	—
Ireland	37	5.6%	5
Italy	28	4.2%	6
Japan	50	7.6%	17
Namibia	9	1.4%	—
New Zealand	57	8.6%	24
Portugal	16	2.4%	—
Romania	24	3.6%	1
Samoa	2	0.3%	—
Scotland	31	4.7%	3
South Africa	24	3.6%	7
Uruguay	25	3.8%	—
Wales	23	3.5%	3
Other	0	0.0%	13
Unattached	7	1.1%	—

The age for each player listed below is their age on 8 September 2023, the day that the World Cup begins.

• The oldest player at the tournament is P. J. van Lill (Namibia), at the age of 39.
• The youngest player at the tournament is Max Jorgensen (Australia), at the age of 19.
• The age gap between the oldest and youngest players is 20 years and 272 days.

Nation	Avg. Age	Oldest player	Youngest player
Argentina	28	Agustín Creevy (38 years, 177 days)	Pedro Rubiolo (20 years, 270 days)
Australia	25	James Slipper (34 years, 94 days)	Max Jorgensen (19 years, 6 days)
Chile	27	Pablo Huete (34 years, 240 days)	Lukas Carvallo (22 years, 64 days)
England	28	Danny Care (36 years, 249 days)	Henry Arundell (20 years, 304 days)
Fiji	27	Levani Botia (34 years, 178 days)	Sireli Maqala (23 years, 171 days)
France	27	Uini Atonio (33 years, 166 days)	Louis Bielle-Biarrey (20 years, 84 days)
Georgia	27	Alexander Todua (35 years, 310 days)	Tornike Kakhoidze (20 years, 23 days)
Ireland	29	Johnny Sexton (38 years, 59 days)	Joe McCarthy (22 years, 166 days)
Italy	27	Federico Zani (34 years, 152 days)	Lorenzo Pani (21 years, 66 days)
Japan	29	Shōta Horie (37 years, 230 days)	Warner Dearns (21 years, 150 days)
Namibia	28	P. J. van Lill (39 years, 278 days)	Oela Blaauw (21 years, 326 days)
New Zealand	27	Dane Coles (36 years, 272 days)	Cam Roigard (22 years, 296 days)
Portugal	27	Francisco Fernandes (38 years, 2 days)	Simão Bento (22 years, 79 days)
Romania	27	Florin Surugiu (38 years, 272 days)	Mihai Mureșan (20 years, 341 days)
Samoa	29	Charlie Faumuina (36 years, 258 days)	Miracle Faiʻilagi (24 years, 8 days)
Scotland	28	WP Nel (37 years, 131 days)	Ollie Smith (23 years, 32 days)
South Africa	30	Duane Vermeulen (37 years, 67 days)	Canan Moodie (20 years, 307 days)
Tonga	29	Siegfried Fisi'ihoi (36 years, 92 days)	Kyren Taumoefolau (20 years, 123 days)
Uruguay	26	Matías Benítez (35 years, 115 days)	Santiago Álvarez (21 years, 258 days)
Wales	28	Dan Lydiate (34 years, 264 days)	Dafydd Jenkins (20 years, 277 days)

Nation	Caps	Most capped player	Least capped player
New Zealand	1524	Sam Whitelock (146)	Emoni Narawa (1)
England	1476	Ben Youngs (124)	Theo Dan (3)
Argentina	1454	Agustín Creevy (101)	Rodrigo Isgro (2)
South Africa	1369	Eben Etzebeth (113)	Jean Kleyn (3)
Ireland	1332	Johnny Sexton (113)	Jeremy Loughman (3)
Wales	1297	George North (114)	Corey Domachowski / Henry Thomas (2)
Georgia	1246	Alexander Todua (108)	Luka Nioradze (1)
Scotland	1037	Richie Gray (75)	Ben Healy (3)
Uruguay	1019	Gastón Mieres (82)	Ignacio Facciolo (1)
Portugal	840	Tomás Appleton (62)	Joris Moura (1)
France	835	Gaël Fickou (81)	Paul Boudehent (3)
Italy	746	Tommaso Allan (75)	Giacomo Da Re / Martin Page-Relo (2)
Romania	681	Mihai Macovei (104)	Tevita Manumua (2)
Australia	668	James Slipper (131)	Max Jorgensen (0)
Japan	660	Michael Leitch (80)	Kenta Fukuda / Sione Halasili (0)
Chile	575	José Ignacio Larenas (47)	Benjamín Videla (0)
Namibia	563	P. J. van Lill (60)	Oela Blaauw (0)
Tonga	407	Sonatane Takulua (52)	Adam Coleman (0)
Fiji	374	Peni Ravai (39)	Vilive Miramira (1)
Samoa	297	Jordan Lay (26)	Ben Lam (0)

The following players selected for a 2023 Rugby World Cup squad represented a different nation at a previous World Cup:^[60]

Player	Nation at previous World Cup	Nation at current World Cup	Ref
Charlie Faumuina	New Zealand (2015)	Samoa (2023)	[61]
Malakai Fekitoa	New Zealand (2015)	Tonga (2023)	[62]
Adam Coleman	Australia (2019)	Tonga (2023)	[63]
Jack Dempsey	Australia (2019)	Scotland (2023)	[64]
Jean Kleyn	Ireland (2019)	South Africa (2023)	[65]
Christian Leali'ifano	Australia (2019)	Samoa (2023)	[66]