# Swimming at the 2024 World Aquatics Championships – Men's 50 metre butterfly

The Men's 50 metre butterfly competition at the 2024 World Aquatics Championships was held on 11 and 12 February 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Andriy Govorov (UKR) | 22.27 | Rome, Italy | 1 July 2018 |
| Competition record | Caeleb Dressel (USA) | 22.35 | Gwangju, South Korea | 22 July 2019 |

## Results
### Heats

The heats were started on 11 February at 10:31.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 3 | Nyls Korstanje | Netherlands | 23.02 | Q |
| 2 | 6 | 4 | Michael Andrew | United States | 23.03 | Q |
| 3 | 7 | 6 | Isaac Cooper | Australia | 23.15 | Q |
| 4 | 5 | 4 | Dylan Carter | Trinidad and Tobago | 23.16 | Q |
| 5 | 7 | 4 | Diogo Ribeiro | Portugal | 23.18 | Q |
| 5 | 7 | 7 | Nicholas Lia | Norway | 23.18 | Q, NR |
| 7 | 5 | 5 | Cameron McEvoy | Australia | 23.19 | Q |
| 8 | 5 | 6 | Baek In-chul | South Korea | 23.34 | Q |
| 9 | 7 | 5 | Szebasztián Szabó | Hungary | 23.35 | Q |
| 10 | 6 | 1 | Shaine Casas | United States | 23.37 | Q |
| 10 | 6 | 3 | Mario Molla | Spain | 23.37 | Q |
| 12 | 6 | 9 | Nikola Miljenić | Croatia | 23.41 | Q |
| 13 | 4 | 5 | Chad le Clos | South Africa | 23.47 | Q |
| 14 | 7 | 8 | Daniel Gracík | Czech Republic | 23.51 | Q |
| 15 | 4 | 2 | Finlay Knox | Canada | 23.52 | Q |
| 16 | 6 | 5 | Simon Bucher | Austria | 23.53 | SO |
| 16 | 7 | 2 | Teong Tzen Wei | Singapore | 23.53 | SO |
| 16 | 7 | 3 | Stergios Bilas | Greece | 23.53 | SO |
| 19 | 5 | 7 | Eldor Usmonov | Uzbekistan | 23.54 | |
| 20 | 6 | 6 | Cameron Gray | New Zealand | 23.62 | |
| 21 | 6 | 2 | Josif Miladinov | Bulgaria | 23.63 | |
| 21 | 6 | 7 | Andrii Hovorov | Ukraine | 23.63 | |
| 23 | 5 | 8 | Tibor Tistan | Slovakia | 23.65 | NR |
| 24 | 5 | 2 | Jakub Majerski | Poland | 23.68 | |
| 25 | 6 | 8 | Julien Henx | Luxembourg | 23.77 | |
| 26 | 7 | 0 | Shane Ryan | Ireland | 23.83 | |
| 27 | 5 | 0 | Jorge Otaiza | Venezuela | 23.87 | |
| 28 | 5 | 1 | Federico Burdisso | Italy | 23.92 | |
| 29 | 4 | 0 | Đorđe Matić | Serbia | 23.97 | |
| 30 | 6 | 0 | Jarod Hatch | Philippines | 24.13 | |
| 31 | 5 | 9 | Shinri Shioura | Japan | 24.16 | |
| 32 | 4 | 8 | Miloš Milenković | Montenegro | 24.17 | NR |
| 33 | 4 | 4 | Nguyễn Hoàng Khang | Vietnam | 24.20 | |
| 34 | 4 | 3 | Maxim Skazobtsov | Kazakhstan | 24.23 | |
| 35 | 4 | 9 | Mehrshad Afghari | Iran | 24.25 | |
| 36 | 4 | 7 | Abeiku Jackson | Ghana | 24.29 | |
| 37 | 4 | 6 | Jaouad Syoud | Algeria | 24.32 | |
| 38 | 3 | 3 | Jesse Ssengonzi | Uganda | 24.41 | |
| 39 | 3 | 4 | Mohamed Mahmoud | Qatar | 24.62 | |
| 40 | 7 | 9 | Lamar Taylor | Bahamas | 24.85 | |
| 41 | 3 | 5 | Jeancarlo Calderon | Panama | 24.95 | |
| 42 | 3 | 1 | Mohamad Masoud | Athlete Refugee Team | 25.38 | |
| 43 | 3 | 6 | Adam Moncherry | Seychelles | 25.40 | |
| 44 | 3 | 7 | Tristan Dorville | Saint Lucia | 25.50 | |
| 45 | 3 | 0 | Lam Chi Chong | Macau | 25.74 | |
| 46 | 3 | 2 | Kokoro Frost | Samoa | 25.86 | |
| 47 | 3 | 8 | Filippos Iakovidis | Cyprus | 26.00 | |
| 48 | 2 | 4 | Irvin Hoost | Suriname | 26.38 | |
| 49 | 3 | 9 | Paolo Priska | Albania | 26.56 | |
| 50 | 2 | 5 | Phansovannarun Montross | Cambodia | 26.93 | |
| 51 | 2 | 3 | Fakhriddin Madkamov | Tajikistan | 27.25 | |
| 52 | 1 | 1 | Mohammad Al-Otaibi | Kuwait | 27.41 | |
| 53 | 2 | 6 | Katerson Moya | Micronesia | 27.66 | |
| 54 | 2 | 2 | Travis Sakurai | Palau | 28.02 | |
| 55 | 2 | 7 | Souleymane Napare | Burkina Faso | 28.22 | |
| 56 | 1 | 4 | Troy Pina | Cape Verde | 28.44 | |
| 57 | 2 | 9 | Joshua Wyse | Sierra Leone | 28.69 | |
| 58 | 2 | 1 | Houmed Houssein | Djibouti | 28.72 | |
| 59 | 1 | 0 | Asher Banda | Malawi | 29.51 | |
| 60 | 2 | 8 | Slava Sihanouvong | Laos | 29.55 | |
| 61 | 1 | 7 | Ethan Alimanya | Tanzania | 30.07 | |
| 62 | 1 | 5 | Charles Avi | Ivory Coast | 30.19 | |
| 63 | 1 | 3 | Bereket Girkebo | Ethiopia | 30.26 | |
| 64 | 2 | 0 | Pap Jonga | Gambia | 30.81 | |
| 65 | 1 | 6 | Yusuf Nasser | Yemen | 31.35 | |
| 66 | 1 | 8 | Aristote Ndombe | DR Congo | 31.51 | |
| 67 | 1 | 2 | Ibrahim Mohamed | Comoros | 34.35 | |
| | 4 | 1 | Andrés Dupont | Mexico | Did not start | Did not start |
| | 7 | 1 | Mikkel Lee | Singapore | Did not start | Did not start |

### Swim-off

The swim-off was started on 11 February at 12:17.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Teong Tzen Wei | Singapore | 23.42 | Q |
| 2 | 4 | Simon Bucher | Austria | 23.54 | |
| 3 | 3 | Stergios Bilas | Greece | 24.87 | |

### Semifinals

The semifinals were started on 11 February at 19:23.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Michael Andrew | United States | 22.94 | Q |
| 2 | 1 | 5 | Dylan Carter | Trinidad and Tobago | 23.15 | Q |
| 3 | 2 | 7 | Mario Molla | Spain | 23.17 | Q |
| 4 | 2 | 3 | Diogo Ribeiro | Portugal | 23.18 | Q |
| 4 | 2 | 5 | Isaac Cooper | Australia | 23.18 | Q |
| 6 | 2 | 6 | Cameron McEvoy | Australia | 23.21 | Q |
| 7 | 1 | 2 | Shaine Casas | United States | 23.22 | Q |
| 8 | 1 | 6 | Baek In-chul | South Korea | 23.24 | Q |
| 9 | 2 | 4 | Nyls Korstanje | Netherlands | 23.25 | |
| 9 | 2 | 8 | Finlay Knox | Canada | 23.25 | NR |
| 11 | 2 | 2 | Szebasztián Szabó | Hungary | 23.32 | |
| 12 | 1 | 7 | Nikola Miljenić | Croatia | 23.37 | |
| 13 | 1 | 1 | Daniel Gracík | Czech Republic | 23.45 | NR |
| 14 | 1 | 3 | Nicholas Lia | Norway | 23.47 | |
| 15 | 1 | 8 | Teong Tzen Wei | Singapore | 23.49 | |
| 16 | 2 | 1 | Chad le Clos | South Africa | 23.68 | |

### Final

The final was held on 12 February at 19:46.
| Rank | Lane | Name | Nationality | Time |
| | 6 | Diogo Ribeiro | Portugal | 22.97 |
| | 4 | Michael Andrew | United States | 23.07 |
| | 7 | Cameron McEvoy | Australia | 23.08 |
| 4 | 2 | Isaac Cooper | Australia | 23.12 |
| 5 | 5 | Dylan Carter | Trinidad and Tobago | 23.17 |
| 6 | 3 | Mario Molla | Spain | 23.29 |
| 7 | 8 | Baek In-chul | South Korea | 23.35 |
| 8 | 1 | Shaine Casas | United States | 23.47 |