Two water polo competitions took place as part of the 2023 World Aquatics Championships, and were held between 16 and 29 July 2023 at the Marine Messe Fukuoka in Fukuoka, Japan.^[1][2]

Two competitions were held.^[3]

All times are local (UTC+9).

A total of 16 teams qualified for each tournament.^[4]

Event	Dates	Hosts	Quota	Qualifier(s)
Host nation	—	—	1	Japan
2022 World League	8 January – 27 July 2022	Strasbourg	2	Italy  United States
2022 World Championships	21 June – 3 July 2022	Budapest	4	Spain  Greece  Croatia  Serbia
2022 European Championship	29 August – 10 September 2022	Split	3	Hungary  France  Montenegro
2022 Asian Championship	7–14 November 2022	Samut Prakan	2	China  Kazakhstan
2023 Pan American Water Polo Championships	3–8 April 2023	Bauru	2	Canada  Brazil  Argentina
African Wildcard	—	—	1	South Africa
Oceanian Wildcard	—	—	1	Australia
Total			16

Due the limited budget and the proximity of the date of the championship with the 2023 Pan American Games, Brazil opted for the withdrawal before the tournament and was replaced by Argentina.^[5][6]

Event	Dates	Hosts	Quota	Qualifier(s)
Host nation	—	—	1	Japan
2022 World League	25 January – 6 November 2022	Santa Cruz de Tenerife	2	Spain  Hungary
2022 World Championships	20 June – 2 July 2022	Budapest	4	United States  Netherlands  Italy  Australia
2022 European Championship	27 August – 10 September 2022	Split	3	Greece  Israel  France
2022 Asian Championship	7–14 November 2022	Samut Prakan	2	China  Kazakhstan
2023 Pan American Water Polo Championships	3–8 April 2023	Bauru	2	Canada  Brazil  Argentina
African Wildcard	—	—	1	South Africa
Oceanian Wildcard	—	—	1	New Zealand
Total			16

Due the limited budget and the proximity of the date of the championship with the 2023 Pan American Games, Brazil withdrew before the tournament and was replaced by Argentina.^[7][8]

  *   Host nation (Japan)

Rank	Nation	Gold	Silver	Bronze	Total
1	Hungary	1	0	0	1
	Netherlands	1	0	0	1
3	Spain	0	1	1	2
4	Greece	0	1	0	1
5	Italy	0	0	1	1
Totals (5 entries)		2	2	2	6

Event	Gold	Silver	Bronze
Men details	Hungary Márton Lévai Dániel Angyal Krisztián Manhercz Zoltán Pohl Márton Vámos Ádám Nagy Gergő Zalánki Gergő Fekete Toni Német Dénes Varga Szilárd Jansik Vendel Vigvári Soma Vogel Erik Molnár Vince Vigvári	Greece Emmanouil Zerdevas Konstantinos Genidounias Dimitrios Skoumpakis Efstathios Kalogeropoulos Ioannis Fountoulis Alexandros Papanastasiou Georgios Dervisis Stylianos Argyropoulos Dimitrios Nikolaidis Konstantinos Kakaris Ioannis Alafragkis Konstantinos Gkiouvetsis Panagiotis Tzortzatos Nikolaos Gkillas Aristeidis Chalyvopoulos	Spain Unai Aguirre Alberto Munárriz Álvaro Granados Bernat Sanahuja Miguel del Toro Marc Larumbe Martin Famera Sergi Cabañas Roger Tahull Felipe Perrone Blai Mallarach Alejandro Bustos Eduardo Lorrio Alberto Barroso Fran Valera
Women details	Netherlands Laura Aarts Iris Wolves Brigitte Sleeking Sabrina van der Sloot Maartje Keuning Simone van de Kraats Bente Rogge Vivian Sevenich Kitty-Lynn Joustra Lieke Rogge Lola Moolhuijzen Nina ten Broek Sarah Buis Marit van der Weijden Maxine Schaap	Spain Laura Ester Cristina Nogué Anni Espar Beatriz Ortiz Nona Pérez Paula Crespí Elena Ruiz Pili Peña Judith Forca Paula Camus Maica García Godoy Paula Leitón Martina Terré Ariadna Ruiz	Italy Giuseppina Condorelli Chiara Tabani Giuditta Galardi Silvia Avegno Sofia Giustini Dafne Bettini Domitilla Picozzi Roberta Bianconi Valeria Palmieri Claudia Marletta Agnese Cocchiere Giulia Viacava Caterina Banchelli Lucrezia Cergol Veronica Gant

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