Swimming at the 2013 World Aquatics Championships – Men's 50 metre butterfly
The men's 50 metre butterfly event in swimming at the 2013 World Aquatics Championships took place on 28–29 July at the Palau Sant Jordi in Barcelona, Spain.Records
Prior to this competition, the existing world and championship records were:Results
Heats
The heats were held at 11:05.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 9 | 5 | Roland Mark Schoeman | | 23.02 | Q |
| 2 | 7 | 3 | Rafael Muñoz | | 23.17 | Q |
| 3 | 8 | 5 | Florent Manaudou | | 23.18 | Q |
| 4 | 9 | 2 | Andriy Hovorov | | 23.19 | Q |
| 5 | 9 | 7 | Piero Codia | | 23.21 | Q, NR |
| 6 | 8 | 2 | Matt Grevers | | 23.29 | Q |
| 7 | 9 | 6 | Eugene Godsoe | | 23.31 | Q |
| 8 | 7 | 5 | César Cielo | | 23.32 | Q |
| 9 | 9 | 3 | Matt Targett | | 23.36 | Q |
| 10 | 9 | 8 | Wu Peng | | 23.43 | Q |
| 11 | 8 | 3 | Yauhen Tsurkin | | 23.45 | Q |
| 12 | 8 | 4 | Nicholas Santos | | 23.45 | Q |
| 13 | 9 | 4 | Frédérick Bousquet | | 23.49 | Q |
| 14 | 8 | 6 | Steffen Deibler | | 23.50 | Q |
| 15 | 7 | 4 | Benjamin Proud | | 23.50 | Q |
| 16 | 9 | 9 | Mario Todorović | | 23.53 | Q |
| 17 | 7 | 2 | Ivan Lenđer | | 23.58 | |
| 18 | 7 | 9 | Barry Murphy | | 23.65 | |
| 19 | 8 | 8 | Matteo Rivolta | | 23.65 | |
| 20 | 8 | 7 | Yoris Grandjean | | 23.68 | |
| 21 | 7 | 6 | Konrad Czerniak | | 23.72 | |
| 22 | 7 | 7 | François Heersbrandt | | 23.75 | |
| 23 | 8 | 1 | Chad le Clos | | 23.76 | |
| 24 | 8 | 9 | Yang Jung-Doo | | 23.84 | NR |
| 25 | 7 | 8 | Ben Hockin | | 23.94 | NR |
| 26 | 5 | 9 | Elvis Burrows | | 23.98 | |
| 27 | 9 | 1 | Yevgeny Korotyshkin | | 23.98 | |
| 28 | 7 | 1 | Chris Wright | | 24.01 | |
| 29 | 5 | 4 | Yevgeniy Lazuka | | 24.14 | |
| 30 | 8 | 0 | Tadas Duskinas | | 24.15 | |
| 31 | 6 | 6 | Simão Morgado | | 24.20 | |
| 32 | 6 | 0 | Coleman Allen | | 24.25 | |
| 33 | 9 | 0 | Christos Katrantzis | | 24.29 | |
| 34 | 6 | 4 | Bence Pulai | | 24.31 | |
| 35 | 5 | 7 | Mauricio Fiol | | 24.32 | NR |
| 36 | 6 | 7 | Joshua McLeod | | 24.43 | |
| 37 | 6 | 5 | Riku Poytakivi | | 24.45 | |
| 38 | 5 | 5 | Michal Navara | | 24.54 | |
| 39 | 6 | 8 | Shehab Younis | | 24.70 | |
| 40 | 5 | 6 | Tomas Plevko | | 24.71 | |
| 41 | 6 | 9 | Norbert Trandafir | | 24.73 | |
| 42 | 5 | 2 | Andrew Chetcuti | | 24.88 | |
| 43 | 5 | 8 | Ricardo Yee | | 24.89 | |
| 44 | 5 | 1 | Oliver Elliot | | 24.96 | NR |
| 45 | 6 | 3 | İskender Baslakov | | 24.98 | |
| 46 | 6 | 2 | Tomer Zamir | | 25.06 | |
| 47 | 5 | 3 | Gabriel Melconian Alvez | | 25.08 | |
| 48 | 6 | 1 | Ifalemi Sau-Paea | | 25.17 | |
| 49 | 4 | 7 | Anthony Ralefy | | 25.53 | |
| 50 | 4 | 5 | Yellow Yeiyah | | 25.56 | |
| 51 | 3 | 2 | Christopher Clark | | 25.81 | |
| 52 | 4 | 6 | Adrian Todd | | 25.98 | |
| 53 | 4 | 4 | Sofyan El Gadi | | 26.08 | |
| 54 | 3 | 6 | Oumar Toure | | 26.09 | |
| 55 | 7 | 0 | Afshin Asgari | | 26.10 | |
| 56 | 4 | 1 | Tyrone Alvarado | | 26.13 | |
| 57 | 4 | 8 | Batsaikhan Dulguun | | 26.20 | |
| 58 | 4 | 0 | Ralph Goveia | | 26.31 | |
| 59 | 3 | 3 | Niall Roberts | | 26.39 | |
| 60 | 5 | 0 | Damit Davletbaev | | 26.67 | |
| 61 | 4 | 2 | Mohammad Anik Islam | | 26.69 | |
| 62 | 3 | 4 | D. Kalu Achchige | | 26.70 | |
| 63 | 3 | 5 | Valdo Lourenco | | 26.72 | |
| 64 | 4 | 3 | Sergeý Krowýakow | | 26.79 | |
| 65 | 3 | 7 | Ameer Ali | | 27.06 | |
| 66 | 4 | 9 | Adam Viktoria | | 27.09 | |
| 67 | 1 | 5 | Omar Omar | | 27.10 | |
| 68 | 3 | 8 | Syed Naqvi | | 27.11 | |
| 69 | 3 | 0 | Kensuke Kimura | | 28.01 | |
| 70 | 2 | 3 | Ahmed Borhane | | 28.03 | |
| 71 | 3 | 9 | Hilal Hemed Hilal | | 28.25 | |
| 72 | 3 | 1 | Folarin Ogunsola | | 28.50 | |
| 73 | 2 | 4 | Noah Mascoll-Gomes | | 28.71 | |
| 74 | 2 | 6 | | | 29.56 | |
| 75 | 2 | 7 | Eloi Imaniraguha | | 30.36 | |
| 76 | 2 | 2 | Esayas Ayele | | 30.79 | |
| 77 | 2 | 1 | Osman Kamara | | 35.66 | |
| 78 | 2 | 8 | Derek Dainard | | 35.88 | |
| 1 | 4 | Ayoub Bagla Gebsa Kalfo | | | |
| 2 | 5 | Yousef Al-Nehmi | | | |
Semifinals
The semifinals were held at 18:37.Semifinal 1
Semifinal 2
Final
The final was held at 18:47.
| Rank | Lane | Name | Nationality | Time | Notes |
| 5 | César Cielo | | 23.01 | |
| 8 | Eugene Godsoe | | 23.05 | |
| 6 | Frédérick Bousquet | | 23.11 | |
| 4 | 4 | Nicholas Santos | | 23.21 | |
| 5 | 2 | Andriy Hovorov | | 23.22 | |
| 6 | 3 | Yauhen Tsurkin | | 23.28 | |
| 6 | 7 | Steffen Deibler | | 23.28 | |
| 8 | 1 | Florent Manaudou | | 23.35 | |
