Swimming at the 2013 World Aquatics Championships – Men's 50 metre breaststroke
The men's 50 metre breaststroke event in swimming at the 2013 World Aquatics Championships took place on 30–31 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 10:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | 6 | Cameron van der Burgh | | 26.78 | Q |
| 2 | 7 | 7 | Felipe Lima | | 27.11 | Q |
| 3 | 8 | 4 | Glenn Snyders | | 27.27 | Q |
| 4 | 9 | 4 | Christian Sprenger | | 27.30 | Q |
| 5 | 7 | 6 | Kirill Strelnikov | | 27.36 | Q |
| 6 | 9 | 7 | Giulio Zorzi | | 27.37 | Q |
| 7 | 9 | 9 | Gu Biaorong | | 27.38 | Q |
| 8 | 7 | 4 | João Luiz Gomes Júnior | | 27.39 | Q |
| 9 | 8 | 9 | Kosuke Kitajima | | 27.43 | Q |
| 10 | 9 | 5 | Kevin Steel | | 27.45 | Q |
| 11 | 7 | 0 | Dawid Szulich | | 27.48 | Q, NR |
| 11 | 9 | 3 | Damir Dugonjič | | 27.48 | Q |
| 13 | 7 | 5 | Mattia Pesce | | 27.52 | Q |
| 13 | 9 | 6 | Barry Murphy | | 27.52 | Q |
| 15 | 7 | 2 | Johannes Skagius | | 27.57 | Q, NR |
| 16 | 9 | 8 | Eetu Karvonen | | 27.58 | Q |
| 17 | 7 | 3 | Hendrik Feldwehr | | 27.59 | |
| 18 | 8 | 5 | Fabio Scozzoli | | 27.60 | |
| 19 | 8 | 8 | Yury Klemparski | | 27.61 | NR |
| 20 | 7 | 1 | Brenton Rickard | | 27.66 | |
| 21 | 8 | 3 | Kevin Cordes | | 27.69 | |
| 22 | 5 | 3 | Miguel Ferreira | | 27.78 | |
| 22 | 7 | 9 | Richard Funk | | 27.78 | |
| 22 | 9 | 1 | Giacomo Perez d'Ortona | | 27.78 | |
| 25 | 8 | 1 | Čaba Silađi | | 27.80 | |
| 25 | 8 | 7 | Ioannis Karpouzlis | | 27.80 | |
| 27 | 6 | 0 | Petr Bartůněk | | 27.84 | |
| 28 | 6 | 4 | Edgar Crespo | | 27.89 | |
| 29 | 8 | 2 | Giedrius Titenis | | 27.93 | |
| 30 | 9 | 2 | Ross Murdoch | | 28.00 | |
| 31 | 6 | 2 | Martin Schweizer | | 28.01 | |
| 32 | 6 | 5 | Demir Atasoy | | 28.04 | NR |
| 33 | 6 | 9 | Ihor Borysyk | | 28.07 | |
| 33 | 8 | 0 | Panteleimon Pantis | | 28.07 | |
| 35 | 5 | 8 | Sandeep Sejwal | | 28.12 | |
| 36 | 5 | 7 | Malick Fall | | 28.15 | |
| 37 | 5 | 9 | Carlos Almeida | | 28.16 | NR |
| 37 | 6 | 6 | Jorge Murillo | | 28.16 | =NR |
| 39 | 6 | 7 | Nikolajs Maskalenko | | 28.20 | |
| 40 | 6 | 3 | Martin Melconian | | 28.21 | NR |
| 41 | 6 | 8 | Abraham McLeod | | 28.26 | |
| 42 | 5 | 5 | Shin Hyeong-Keun | | 28.29 | |
| 43 | 5 | 0 | David Oliver Mercado | | 28.39 | |
| 43 | 6 | 1 | Marek Botík | | 28.39 | |
| 45 | 4 | 7 | Joshua Hall | | 28.48 | |
| 45 | 5 | 1 | Imri Ganiel | | 28.48 | |
| 47 | 5 | 6 | Wong Chun Yan | | 28.69 | |
| 48 | 5 | 4 | Martin Liivamägi | | 28.82 | |
| 49 | 4 | 4 | Vladislav Mustafin | | 28.97 | |
| 50 | 4 | 5 | Kirill Vais | | 29.15 | |
| 51 | 4 | 8 | James Lawson | | 29.22 | |
| 52 | 4 | 3 | Omiros Zagkas | | 29.29 | |
| 53 | 4 | 0 | Radomyos Matjiur | | 29.41 | |
| 54 | 4 | 1 | Abdulrahman Al-Bader | | 29.47 | |
| 55 | 5 | 2 | Shaun Yap | | 29.58 | |
| 56 | 3 | 5 | Benjamin Schulte | | 29.61 | |
| 57 | 4 | 2 | Rafael van Leeuwaarde | | 29.66 | |
| 58 | 4 | 6 | Mubarak Al-Besher | | 29.74 | |
| 59 | 4 | 9 | Jesús Flores | | 29.76 | |
| 60 | 3 | 2 | Andrew Rutherfurd | | 30.29 | |
| 61 | 3 | 7 | Wael Koubrousli | | 30.44 | |
| 62 | 3 | 1 | Serginni Marten | | 30.89 | |
| 63 | 3 | 8 | Bradford Worrell | | 31.00 | NR |
| 64 | 2 | 5 | Pierre-Andre Adam | | 31.31 | |
| 65 | 2 | 2 | Troy Kojenlang | | 31.38 | |
| 66 | 3 | 0 | Muhammad Isa Ahmad | | 31.68 | |
| 67 | 3 | 9 | Batsaikhan Dulguun | | 31.76 | |
| 68 | 2 | 3 | Earlando McRae | | 32.24 | |
| 69 | 2 | 7 | Hemthon Ponloeu | | 32.41 | |
| 70 | 2 | 4 | Joshua Tibatemwa | | 33.85 | |
| 71 | 2 | 6 | Lin Tin Kyaw | | 33.89 | |
| 72 | 1 | 5 | | | 34.24 | |
| 73 | 3 | 3 | Ashraf Hassan | | 34.58 | |
| 74 | 1 | 3 | Thierry Sawadogo | | 34.60 | |
| 75 | 3 | 6 | Abdourahman Osman | | 34.93 | |
| 76 | 2 | 1 | Nikolas Sylvester | | 35.68 | |
| 77 | 2 | 8 | Yokubdzhon Umarov | | 36.50 | |
| 78 | 1 | 4 | Sahr James | | 37.26 | |
| 79 | 3 | 4 | Kurt Oniangue | | 39.98 | |
| 80 | 2 | 0 | Moctar Albachir | | 43.58 | |
| 2 | 9 | Boubou Togo | | | |
| 7 | 8 | Li Xiayan | | | |
| 9 | 0 | Tshisungu Kalala | | | |
Semifinals
The semifinals were held at 18:18.Semifinal 1
Semifinal 2
Final
The final was held at 18:41.
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Cameron van der Burgh | | 26.77 | |
| 6 | Christian Sprenger | | 26.78 | |
| 8 | Giulio Zorzi | | 27.04 | |
| 4 | 5 | Damir Dugonjič | | 27.05 | |
| 5 | 3 | João Luiz Gomes Júnior | | 27.20 | |
| 6 | 7 | Glenn Snyders | | 27.21 | |
| 7 | 2 | Johannes Skagius | | 27.48 | |
| 8 | 1 | Mattia Pesce | | 27.53 | |
