Swimming at the 2013 World Aquatics Championships – Men's 50 metre backstroke
The men's 50 metre backstroke event in swimming at the 2013 World Aquatics Championships took place on 3–4 August 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 10:18.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 5 | Daniel Orzechowski | | 24.67 | Q |
| 2 | 4 | 5 | Aschwin Wildeboer | | 24.72 | Q |
| 3 | 5 | 4 | Jérémy Stravius | | 24.79 | Q |
| 4 | 5 | 3 | Gerhard Zandberg | | 24.85 | Q |
| 5 | 6 | 4 | David Plummer | | 24.91 | Q |
| 6 | 5 | 5 | Bastiaan Lijesen | | 24.94 | Q |
| 7 | 4 | 4 | Camille Lacourt | | 24.97 | Q |
| 8 | 5 | 7 | Sun Xiaolei | | 25.01 | Q |
| 8 | 5 | 6 | Guy Barnea | | 25.01 | Q |
| 10 | 6 | 3 | Matt Grevers | | 25.08 | Q |
| 11 | 5 | 8 | Lavrans Solli | | 25.15 | Q, NR |
| 12 | 6 | 6 | Jonatan Kopelev | | 25.17 | Q |
| 13 | 6 | 7 | Ashley Delaney | | 25.36 | Q |
| 14 | 6 | 2 | Pavel Sankovich | | 25.40 | Q |
| 15 | 6 | 1 | Federico Grabich | | 25.44 | Q |
| 16 | 5 | 2 | Juan Miguel Rando | | 25.52 | Q |
| 17 | 4 | 3 | Mirco di Tora | | 25.54 | |
| 18 | 4 | 7 | Gareth Kean | | 25.62 | |
| 19 | 6 | 8 | I Gede Siman Sudartawa | | 25.68 | |
| 20 | 4 | 8 | Alexis Santos | | 25.78 | NR |
| 21 | 4 | 2 | Cheng Feiyi | | 25.83 | |
| 22 | 4 | 1 | Shin Hee-Wong | | 25.84 | |
| 23 | 4 | 9 | Felix Wolf | | 25.90 | |
| 24 | 4 | 0 | Charles Francis | | 26.10 | |
| 25 | 5 | 1 | Guven Duvan | | 26.25 | |
| 26 | 3 | 4 | Martin Baďura | | 26.26 | |
| 27 | 5 | 9 | Bilal Achelhi | | 26.27 | |
| 28 | 6 | 0 | Péter Bernek | | 26.36 | |
| 29 | 5 | 0 | Alexandr Tarabrin | | 26.39 | |
| 30 | 3 | 5 | Charles Hockin | | 26.41 | =NR |
| 31 | 6 | 9 | Mohamed Khaled | | 26.44 | |
| 32 | 3 | 6 | Artiom Gladun | | 26.93 | |
| 33 | 3 | 2 | Jordan Augier | | 27.16 | NR |
| 34 | 3 | 1 | Ngou Pok Man | | 27.18 | |
| 35 | 3 | 7 | Heshan Unamboowe | | 27.23 | |
| 36 | 3 | 3 | Khachik Plavchyan | | 27.97 | |
| 37 | 3 | 9 | Hamdan Bayusuf | | 28.20 | |
| 38 | 2 | 8 | Mathieu Marquet | | 28.54 | |
| 39 | 3 | 0 | Eisner Barberena | | 28.71 | |
| 40 | 2 | 5 | Maroun Waked | | 29.31 | |
| 41 | 2 | 3 | Pablo Feo Mato | | 29.47 | |
| 42 | 2 | 6 | Erdenemunkh Demuul | | 29.82 | |
| 43 | 2 | 4 | Victor Torres | | 30.01 | |
| 44 | 2 | 2 | Arnold Kisulo | | 31.08 | |
| 45 | 2 | 0 | Umarkhon Alizoda | | 33.37 | |
| 46 | 2 | 9 | Storm Hablich | | 34.20 | |
| 47 | 1 | 3 | Miraj Prajapati | | 34.74 | |
| 48 | 1 | 5 | Ebrahim Al-Maleki | | 34.84 | |
| 49 | 1 | 2 | Awoussou Ablam | | 35.85 | |
| 50 | 2 | 7 | Hamidou Seydou Lansina | | 36.65 | |
| 51 | 1 | 6 | Sahr James | | 37.36 | |
| 3 | 8 | Samson Opuakpo | | | |
| 1 | 4 | | | | |
| 2 | 1 | Louis Croenen | | | |
| 4 | 6 | Ryosuke Irie | | | |
Semifinals
The semifinals were held at 19.15.Semifinal 1
Semifinal 2
Final
The final was held at 18:02.
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Camille Lacourt | | 24.42 | |
| 5 | Jérémy Stravius | | 24.54 | |
| 6 | Matt Grevers | | 24.54 | |
| 4 | 7 | Aschwin Wildeboer | | 24.58 | |
| 5 | 8 | Sun Xiaolei | | 24.76 | NR |
| 6 | 2 | Daniel Orzechowski | | 24.87 | |
| 7 | 3 | Guy Barnea | | 25.14 | |
| 8 | 1 | Jonatan Kopelev | | 25.19 | |
