# Swimming at the 2023 World Aquatics Championships – Men's 50 metre butterfly

The men's 50 metre butterfly competition at the 2023 World Aquatics Championships was held on 23 and 24 July 2023.

## 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 23 July at 11:35.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | 5 | Maxime Grousset | France | 22.74 | Q, NR |
| 2 | 9 | 5 | Jacob Peters | Great Britain | 22.85 | Q |
| 3 | 8 | 4 | Dylan Carter | Trinidad and Tobago | 22.89 | Q |
| 4 | 8 | 8 | Abdelrahman Sameh | Egypt | 23.10 | Q, NR |
| 5 | 10 | 6 | Noè Ponti | Switzerland | 23.13 | Q |
| 6 | 9 | 3 | Diogo Ribeiro | Portugal | 23.14 | Q |
| 6 | 9 | 4 | Thomas Ceccon | Italy | 23.14 | Q |
| 8 | 10 | 5 | Nyls Korstanje | Netherlands | 23.19 | Q |
| 9 | 9 | 0 | Ilya Kharun | Canada | 23.27 | Q, =NR |
| 9 | 9 | 2 | Dare Rose | United States | 23.27 | Q |
| 9 | 10 | 3 | Szebasztián Szabó | Hungary | 23.27 | Q |
| 9 | 10 | 4 | Benjamin Proud | Great Britain | 23.27 | Q |
| 13 | 8 | 6 | Simon Bucher | Austria | 23.32 | Q |
| 14 | 7 | 7 | Mario Mollà | Spain | 23.34 | Q |
| 15 | 8 | 7 | Joshua Liendo | Canada | 23.36 | Q |
| 15 | 10 | 7 | Josif Miladinov | Bulgaria | 23.36 | Q |
| 17 | 7 | 1 | Stergios Bilas | Greece | 23.39 | |
| 18 | 9 | 6 | Cameron McEvoy | Australia | 23.40 | |
| 18 | 10 | 9 | Meiron Cheruti | Israel | 23.40 | |
| 20 | 7 | 2 | Nicholas Lia | Norway | 23.43 | |
| 21 | 8 | 2 | Andriy Govorov | Ukraine | 23.44 | |
| 22 | 7 | 5 | Tomer Frankel | Israel | 23.48 | |
| 23 | 6 | 1 | Baek In-chul | South Korea | 23.50 | =NR |
| 24 | 8 | 0 | Adilbek Mussin | Kazakhstan | 23.55 | |
| 25 | 10 | 1 | Cameron Gray | New Zealand | 23.57 | |
| 26 | 8 | 9 | Shaun Champion | Australia | 23.60 | |
| 27 | 6 | 3 | Mikel Schreuders | Aruba | 23.65 | NR |
| 27 | 7 | 0 | Julien Henx | Luxembourg | 23.65 | |
| 29 | 10 | 8 | Shaine Casas | United States | 23.69 | |
| 30 | 9 | 8 | Daniel Zaitsev | Estonia | 23.73 | |
| 30 | 9 | 9 | Mikkel Lee | Singapore | 23.73 | |
| 32 | 7 | 3 | Oskar Hoff | Sweden | 23.74 | |
| 33 | 7 | 9 | Tibor Tistan | Slovakia | 23.75 | |
| 33 | 8 | 1 | Naoki Mizunuma | Japan | 23.75 | |
| 35 | 10 | 0 | Chen Juner | China | 23.79 | |
| 35 | 10 | 2 | Takeshi Kawamoto | Japan | 23.79 | |
| 37 | 9 | 7 | Wang Changhao | China | 23.83 | |
| 38 | 6 | 4 | Adrian Jaskiewicz | Poland | 23.84 | |
| 39 | 6 | 6 | Kayky Mota | Brazil | 23.85 | |
| 40 | 5 | 6 | Lamar Taylor | Bahamas | 23.91 | |
| 41 | 8 | 3 | Teong Tzen Wei | Singapore | 23.92 | |
| 42 | 7 | 6 | Miguel Nascimento | Portugal | 23.95 | |
| 43 | 7 | 4 | Daniel Gracík | Czech Republic | 23.96 | |
| 44 | 6 | 5 | Roland Schoeman | South Africa | 24.02 | |
| 45 | 6 | 7 | Jorge Iga | Mexico | 24.05 | |
| 46 | 6 | 2 | Jarod Hatch | Suspended Member Federation | 24.07 | |
| 47 | 9 | 1 | Piero Codia | Italy | 24.13 | |
| 48 | 6 | 9 | Abeiku Jackson | Ghana | 24.14 | |
| 49 | 6 | 0 | Ian Ho | Hong Kong | 24.20 | |
| 50 | 7 | 8 | Waleed Abdulrazzaq | Kuwait | 24.30 | |
| 51 | 5 | 3 | Ben Hockin | Paraguay | 24.34 | |
| 52 | 5 | 1 | Guido Buscaglia | Argentina | 24.47 | |
| 53 | 5 | 8 | Bryan Leong | Malaysia | 24.54 | |
| 54 | 5 | 2 | Lương Jeremie Loic Nino | Vietnam | 24.56 | |
| 55 | 5 | 0 | Matthew Lawrence | Mozambique | 24.70 | |
| 56 | 5 | 5 | Emre Sakçı | Turkey | 24.72 | |
| 57 | 5 | 9 | Sajan Prakash | India | 24.93 | |
| 58 | 5 | 7 | Joe Kurniawan | Indonesia | 25.05 | |
| 59 | 5 | 4 | Emil Pérez | Venezuela | 25.22 | |
| 60 | 4 | 2 | Adriel Sanes | U.S. Virgin Islands | 25.28 | |
| 61 | 4 | 4 | Salvador Gordo | Angola | 25.48 | |
| 62 | 2 | 5 | Alex Joachim | Saint Vincent and the Grenadines | 25.58 | NR |
| 62 | 4 | 1 | Kokoro Frost | Samoa | 25.58 | NR |
| 64 | 4 | 5 | Mohamad Masoud | Athlete Refugee Team | 25.73 | |
| 65 | 4 | 6 | Finau Ohuafi | Tonga | 25.85 | |
| 66 | 4 | 7 | Diego Aranda | Uruguay | 25.87 | |
| 67 | 4 | 8 | Salem Sabt | United Arab Emirates | 25.95 | |
| 68 | 4 | 3 | Jeno Heyns | Suriname | 26.21 | |
| 69 | 2 | 6 | Damien Shamambo | Zambia | 26.46 | |
| 70 | 3 | 3 | Adnan Kabuye | Uganda | 26.54 | |
| 71 | 4 | 9 | Phansovannarun Montross | Cambodia | 26.95 | |
| 72 | 3 | 4 | Fakhriddin Madkamov | Tajikistan | 27.10 | |
| 73 | 3 | 5 | Nathaniel Noka | Papua New Guinea | 27.46 | |
| 74 | 1 | 5 | Hilal Hilal | Tanzania | 27.68 | |
| 75 | 4 | 0 | Alassane Seydou | Niger | 27.91 | |
| 76 | 3 | 1 | Fodé Amara Camara | Guinea | 28.42 | NR |
| 77 | 3 | 6 | Souleymane Napare | Burkina Faso | 28.49 | |
| 78 | 2 | 3 | Ailton Lima | Cape Verde | 28.66 | |
| 79 | 2 | 2 | Nicky Irakoze | Burundi | 28.94 | |
| 80 | 3 | 2 | Houmed Houssein Barkat | Djibouti | 29.02 | |
| 81 | 2 | 1 | Slava Sihanouvong | Laos | 29.13 | |
| 82 | 2 | 7 | Pap Jonga | Gambia | 29.78 | |
| 83 | 3 | 8 | Tilahun Malede | Ethiopia | 29.80 | |
| 84 | 1 | 4 | Giorgio Nguichie Kamseu Kamogne | Cameroon | 29.93 | NR |
| 85 | 2 | 8 | Aseel Khousrof | Yemen | 29.99 | |
| 86 | 3 | 7 | Joshua Wyse | Sierra Leone | 30.08 | |
| 87 | 3 | 0 | Muhammad Ali Moosa | Malawi | 31.57 | |
| 88 | 3 | 9 | Magnim Jordano Daou | Togo | 32.22 | |
| 89 | 2 | 4 | Refiloe Chopho | Lesotho | 34.21 | NR |
| | 1 | 3 | David Young | Fiji | DSQ | DSQ |
| | 2 | 0 | Mohammed Qatat | Libya | DSQ | DSQ |
| | 6 | 8 | Jaouad Syoud | Algeria | DNS | DNS |

### Semifinals

The semifinals were started on 23 July at 20:23.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Maxime Grousset | France | 22.72 | Q, NR |
| 2 | 1 | 2 | Dare Rose | United States | 22.79 | Q |
| 3 | 1 | 4 | Jacob Peters | Great Britain | 22.92 | Q |
| 3 | 2 | 6 | Thomas Ceccon | Italy | 22.92 | Q |
| 5 | 1 | 5 | Abdelrahman Sameh | Egypt | 22.94 | Q, NR |
| 6 | 1 | 7 | Benjamin Proud | Great Britain | 22.96 | Q |
| 7 | 1 | 3 | Diogo Ribeiro | Portugal | 23.04 | Q |
| 8 | 2 | 1 | Simon Bucher | Austria | 23.05 | NR |
| 8 | 2 | 5 | Dylan Carter | Trinidad and Tobago | 23.05 | |
| 10 | 1 | 1 | Mario Mollà | Spain | 23.16 | |
| 10 | 2 | 7 | Szebasztián Szabó | Hungary | 23.16 | |
| 12 | 1 | 6 | Nyls Korstanje | Netherlands | 23.23 | |
| 13 | 2 | 3 | Noè Ponti | Switzerland | 23.26 | |
| 14 | 2 | 2 | Ilya Kharun | Canada | 23.27 | =NR |
| 15 | 2 | 8 | Joshua Liendo | Canada | 23.33 | |
| 16 | 1 | 8 | Josif Miladinov | Bulgaria | 23.40 | |

### Swim-off

The swim-off was started on 23 July at 22:16.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Simon Bucher | Austria | 23.10 | Q |
| 2 | 5 | Dylan Carter | Trinidad and Tobago | 23.26 | |

### Final

The final was started on 24 July at 21:32.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 6 | Thomas Ceccon | Italy | 22.68 | NR |
| | 1 | Diogo Ribeiro | Portugal | 22.80 | |
| | 4 | Maxime Grousset | France | 22.82 | |
| 4 | 3 | Jacob Peters | Great Britain | 22.84 | |
| 5 | 7 | Benjamin Proud | Great Britain | 22.91 | |
| 6 | 5 | Dare Rose | United States | 23.01 | |
| 7 | 8 | Simon Bucher | Austria | 23.26 | |
| 8 | 2 | Abdelrahman Sameh | Egypt | 23.34 | |