Men's 100 metre butterfly at the 2007 FINA World Championships
Venue	Rod Laver Arena
Dates	30 March 2007 (heats, semifinals) 31 March 2007 (final)
Competitors	123
Winning time	50.77
Medalists
Michael Phelps    United States   Ian Crocker    United States   Albert Subirats Altes    Venezuela
← 2005 2009 →

The men's 100 metre butterfly at the 2007 World Aquatics Championships took place on 30 March (heats, semifinals and a swim-off) and on the evening of 31 March (final) at Rod Laver Arena in Melbourne, Australia. 123 swimmers were entered in the event, of which 118 swam.

Existing records at the start of the event were:

• World record (WR): 50.40, Ian Crocker (USA), 30 July 2005 in Montreal, Canada.
• Championship record (CR): 50.40, Ian Crocker (USA), Montreal 2005 (30 July 2005)

Place	Name	Nationality	Time	Note
1	Michael Phelps	USA	50.77
2	Ian Crocker	USA	50.82
3	Albert Subirats Altes	Venezuela	51.82
4	Lyndon Ferns	South Africa	52.03
5	Andriy Serdinov	Ukraine	52.23
6	Milorad Čavić	Serbia	52.53
7	Nikolay Skvortsov	Russia	52.54
8	Jason Dunford	Kenya	52.70

Rank	Swimmer	Nation	Time	Note
1	Ian Crocker	USA	51.41	Q
2	Albert Subirats Altes	Venezuela	51.81	Q
3	Lyndon Ferns	South Africa	51.90	Q
4	Michael Phelps	USA	51.92	Q
5	Andriy Serdinov	Ukraine	52.11	Q
6	Milorad Čavić	Serbia	52.16	Q
7	Nikolay Skvortsov	Russia	52.22	Q
8	Jason Dunford	Kenya	52.26	Q-(swim-off)
9	Ryan Pini	Papua New Guinea	52.26	(swim-off)
10	Peter Mankoč	Slovenia	52.31
11	Lars Frölander	Sweden	52.39
12	Sergiy Breus	Ukraine	52.46
13	Takashi Yamamoto	Japan	52.74
14	Corney Swanepoel	New Zealand	52.94
15	Andrew Lauterstein	Australia	52.99
16	Yauheni Lazuka	Belarus	53.46

1. Jason Dunford (Kenya) — 51.85 (Q)
2. Ryan Pini (Papua New Guinea) — 52.10

Rank	Heat / Lane	Name	Nationality	50m split	Time	Notes
001	H16-L4	Ian Crocker	USA	23.97	00:51.44	Q
002	H01-L5	Milorad Čavić	Serbia	23.42	00:51.70	Q
003	H15-L4	Michael Phelps	USA	24.92	00:51.95	Q
004	H14-L5	Albert Subirats Altes	Venezuela	24.05	00:52.15	Q
005	H15-L5	Lyndon Ferns	South Africa	24.01	00:52.26	Q
006	H14-L3	Ryan Pini	Papua New Guinea	24.25	00:52.27	Q
007	H16-L6	Peter Mankoč	Slovenia	24.24	00:52.30	Q
008	H13-L5	Lars Frölander	Sweden	24.53	00:52.34	Q
009	H16-L5	Andriy Serdinov	Ukraine	24.31	00:52.43	Q
010	H16-L1	Corney Swanepoel	New Zealand	24.28	00:52.46	Q
011	H15-L8	Andrew Lauterstein	Australia	24.80	00:52.63	Q
012	H14-L8	Sergiy Breus	Ukraine	24.33	00:52.64	Q
013	H16-L3	Takashi Yamamoto	Japan	24.56	00:52.69	Q
014	H13-L2	Jason Dunford	Kenya	24.38	00:52.76	Q
015	H14-L4	Nikolay Skvortsov	Russia	24.48	00:52.79	Q
016	H12-L7	Yauheni Lazuka	Belarus	24.42	00:53.10	Q
016.5	H13.5				00:53.111	O
017	H16-L8	Gabriel Mangabeira	Brazil	24.99	00:53.16
018	H14-L6	Amaury Leveaux	France	24.84	00:53.21
019	H15-L6	Moss Burmester	New Zealand	25.01	00:53.28
020	H15-L2	Adam Pine	Australia	25.21	00:53.33
021	H12-L6	Octavio Alesi	Venezuela	24.63	00:53.41
022	H14-L7	Evgeny Korotyshkin	Russia	25.01	00:53.47
023	H15-L3	Ryo Takayasu	Japan	24.69	00:53.53
024	H13-L3	Örn Arnarson	Iceland	24.59	00:53.54
025	H15-L1	Fernando Silva	Brazil	24.90	00:53.55
026	H14-L2	Sotirios Pastras	Greece	24.72	00:53.57
027	H16-L2	Wang Dong	China	24.66	00:53.61
028	H15-L7	Rudy Goldin	Italy	25.13	00:53.66
029	H13-L1	Jakob Andkjær	Denmark	24.56	00:53.71
030	H12-L2	Mario Todorović	Croatia	24.98	00:53.72
031	H13-L6	Simão Morgado	Portugal	24.79	00:53.75
032	H12-L1	Mathieu Fonteyn	Belgium	25.40	00:53.78
033	H12-L3	Ioan Stefan Gherghel	Romania	25.26	00:53.86
034	H11-L5	Rafael Muñoz Pérez	Spain	24.75	00:53.91
035	H14-L1	Todd Cooper	Great Britain	25.08	00:54.00
036	H10-L3	Guy Barnea	Israel	25.29	00:54.25
037	H13-L4	Christophe Lebon	France	24.75	00:54.27
038	H11-L4	Juan Veloz	Mexico	25.53	00:54.33
039	H11-L2	Pablo Marmolejo	Mexico	25.36	00:54.34
040	H12-L5	Jeremy Knowles	Bahamas	25.44	00:54.42
041	H08-L3	Damien Courtois	Switzerland	24.68	00:54.44
042	H10-L5	Jere Hård	Finland	24.90	00:54.52
043	H11-L3	Camilo Becerra	Colombia	25.12	00:54.62
044	H10-L7	Martin Verner	Czech Republic	25.28	00:54.72
045	H12-L4	Michal Rubáček	Czech Republic	25.08	00:54.76
046	H16-L7	Zhou Jiawei	China	25.75	00:54.85
047	H13-L7	Dominik Straga	Croatia	25.15	00:54.90
048	H10-L8	Oleg Lyashko	Uzbekistan	25.49	00:55.07
049	H11-L8	Julio Galofre	Colombia	25.90	00:55.19
050	H11-L1	Stanislav Kuzmin	Kazakhstan	25.45	00:55.23
051	H11-L6	Paulius Andrijauskas	Lithuania	25.67	00:55.25
052	H11-L7	Georgi Palazov	Bulgaria	25.00	00:55.29
053	H09-L6	Gordon Touw Ngie Tjouw	Suriname	25.46	00:55.33
054	H09-L4	Emilis Vaitkaitis	Lithuania	24.96	00:55.39
055	H12-L8	Daniel Bego	Malaysia	25.88	00:55.41
056	H09-L3	Ankur Poseria	India	25.76	00:55.51
057	H09-L2	Romāns Miloslavskis	Latvia	25.58	00:55.54
058	H09-L5	Wing Cheung Victor Wong	Macau	25.91	00:55.64
059	H10-L6	Mathias Gydesen	Denmark	25.95	00:55.70
060	H10-L1	Rustam Khudiyev	Kazakhstan	25.29	00:55.73
061	H09-L1	Hamidreza Mobarrez	Iran	25.84	00:55.84
062	H08-L8	Andy Wibowo	Indonesia	25.61	00:55.88
063	H08-L2	Garth Tune	South Africa	25.52	00:56.02
064	H07-L7	Adrien Perez	Switzerland	25.42	00:56.04
065	H10-L4	Pavels Kondrahins	Latvia	25.39	00:56.08
066	H09-L8	Jorge Arturo Arce Aita	Costa Rica	25.90	00:56.14
067	H08-L7	Aleksander Hetland	Norway	25.70	00:56.23
067	H08-L1	Emmanuel Crescimbeni	Peru	26.33	00:56.23
069	H09-L7	Basil Kaaki	Lebanon	26.61	00:56.43
070	H08-L5	Donny Budiarto Utomo	Indonesia	26.63	00:56.54
071	H07-L4	Radonyos Matjiur	Thailand	26.98	00:56.84
072	H07-L5	Miguel Navarro	Bolivia	26.72	00:57.00
073	H07-L8	Roy Felipe Barahona Fuente	Honduras	26.78	00:57.34
074	H07-L2	Xue-Wei Nicholas Tan	Singapore	26.83	00:57.40
075	H08-L4	Arjun Muralidharan	India	26.50	00:57.46
076	H08-L6	Nisic Nedim	Bosnia and Herzegovina	26.59	00:57.60
077	H05-L6	Petr Romashkin	Uzbekistan	26.72	00:57.98
078	H06-L7	Javier Hernandez Maradiaga	Honduras	27.20	00:58.00
079	H06-L5	Tze Kang Ng	Singapore	27.10	00:58.02
080	H07-L3	Bader Almuhana	Saudi Arabia	26.99	00:58.07
081	H06-L3	João Matias	Angola	26.82	00:58.19
082	H06-L2	Taki Mrabet	Tunisia	26.69	00:58.28
083	H07-L1	Goksu Bicer	Turkey	26.02	00:58.36
084	H05-L2	Jared Heine	Marshall Islands	27.35	00:58.50
085	H06-L1	Carlos Eduardo Gil	Peru	27.32	00:58.62
086	H04-L5	Khaly Ciss	Senegal	27.52	00:59.13
087	H03-L4	Morgan Locke	Virgin Islands	27.26	00:59.16
087	H06-L6	Moustafa Al-Saleh	Syria	27.76	00:59.16
089	H07-L6	Marco Camargo	Ecuador	27.31	00:59.29
090	H04-L2	Alejandro Madde	Bolivia	28.16	00:59.64
091	H04-L6	Nasir Ali	Pakistan	28.37	1:00.01
092	H03-L3	Rama Vyombo	Kenya	27.91	1:00.27
093	H05-L7	Sohaib Kalali	Syria	28.24	1:00.35
094	H05-L3	Nuno Rola	Angola	27.98	1:00.59
095	H04-L8	Erik Rajohnson	Madagascar	27.73	1:00.65
096	H04-L3	Eros Qama	Albania	27.67	1:00.77
097	H02-L6	Hamza Abdo	Palestine	27.91	1:00.98
098	H06-L8	Miro Krestevski	Macedonia	28.16	1:01.04
099	H05-L5	Bertrand Bristol	Seychelles	28.19	1:01.21
100	H03-L2	Battushig Enkhtaivan	Mongolia	27.68	1:01.49
101	H04-L4	Anas Hamadeh	Jordan	28.02	1:01.68
102	H04-L7	Luke Hall	Eswatini	28.40	1:01.99
103	H05-L4	Fernando Medrano Medina	Nicaragua	27.82	1:02.03
104	H05-L8	Aleksey Klimenko	Kyrgyzstan	28.87	1:02.54
105	H02-L2	Hernan Bonsembiante	Guam	28.04	1:02.62
106	H03-L7	Hisham Fadhul	Bahrain	28.42	1:02.82
107	H04-L1	Hong Nam Lei	Macau	29.29	1:03.00
108	H03-L5	Richard Randranandraina	Madagascar	28.88	1:03.33
109	H03-L8	Jean-Luc Augier	Saint Lucia	28.65	1:03.36
110	H02-L3	Daryl Harford	Grenada	28.07	1:03.42
111	H01-L4	Eric Chang	Malaysia	28.83	1:03.54
112	H03-L1	Walid Nasib Hilal Alkaabi	United Arab Emirates	29.43	1:03.76
113	H03-L6	Naji Askia Ferguson	Grenada	28.20	1:04.00
114	H02-L4	Zane Jordan	Zambia	29.52	1:04.26
115	H02-L5	Fadi Awesat	Palestine	29.24	1:05.04
116	H02-L7	Eli Ebenezer Wong	Northern Mariana Islands	31.12	1:07.01
117	H02-L1	Mohamed Sharif	Maldives	33.43	1:16.84
999--	H06-L4	Yellow Yeiyah	Nigeria		DQ
999--	H01-L3	Abdul-Fatawu Moro	Ghana		DNS
999--	H05-L1	Sunday Ayejo	Nigeria		DNS
999--	H10-L2	Jacinto Ayala	Dominican Republic		DNS
999--	H13-L8	Jernej Godec	Slovenia		DNS

• Swimming at the 2005 World Aquatics Championships – Men's 100 metre butterfly
• Swimming at the 2008 Summer Olympics – Men's 100 metre butterfly
• Swimming at the 2009 World Aquatics Championships – Men's 100 metre butterfly

• Men's 100m Fly Heats results from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); retrieved 2009-07-11.
• Men's 100m Fly Semifinals results from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); retrieved 2009-07-11.
• Men's 100m Fly Semifinals swim-off results (for 8th place in semis) from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); retrieved 2009-07-11.
• Men's 100m Fly Final results from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); retrieved 2009-07-11.