# Swimming at the 2022 Asian Games – Men's 50 metre butterfly

The men's 50 metre butterfly event at the 2022 Asian Games took place on 28 September 2023 at the Hangzhou Olympic Sports Expo Center.

## Schedule

All times are China Standard Time (UTC+08:00)
| Date | Time | Event |
| Thursday, 28 September 2023 | 10:10 | Heats |
| Thursday, 28 September 2023 | 19:42 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.
| World Record | Andriy Govorov (UKR) | 22.27 | Rome, Italy | 1 July 2018 |
| Asian Record | Joseph Schooling (SGP) | 22.93 | Budapest, Hungary | 23 July 2017 |
| Games Record | Shi Yang (CHN) | 23.46 | Incheon, South Korea | 25 September 2014 |
The following records were established during the competition:
| Date | Event | Name | Nation | Time | Record |
| 28 September 2023 | Final | Baek In-chul | South Korea | 23.29 | GR |

## Results
### Heats

| Rank | Heat | Lane | Swimmer | Nationality | Time | Notes |
| 1 | 5 | 6 | Baek In-chul | South Korea | 23.29 | Q |
| 2 | 5 | 4 | Teong Tzen Wei | Singapore | 23.47 | Q |
| 3 | 5 | 5 | Wang Changhao | China | 23.54 | Q |
| 3 | 5 | 3 | Eldorbek Usmonov | Uzbekistan | 23.54 | Q |
| 5 | 4 | 3 | Adilbek Mussin | Kazakhstan | 23.65 | Q |
| 6 | 3 | 3 | Mikkel Lee | Singapore | 23.73 | Q |
| 7 | 3 | 4 | Takeshi Kawamoto | Japan | 23.94 | Q |
| 8 | 3 | 5 | Chen Juner | China | 23.98 | Q |
| 9 | 4 | 5 | Naoki Mizunuma | Japan | 24.01 | |
| 10 | 4 | 4 | Waleed Abdulrazzaq | Kuwait | 24.04 | |
| 11 | 5 | 2 | Ian Ho | Hong Kong | 24.06 | |
| 12 | 4 | 6 | Kim Ji-hun | South Korea | 24.12 | |
| 13 | 3 | 6 | Jarod Hatch | Philippines | 24.31 | |
| 14 | 3 | 7 | Bryan Leong | Malaysia | 24.46 | |
| 15 | 1 | 8 | Nguyen Hoang Khang | Vietnam | 24.49 | |
| 16 | 4 | 7 | Ng Cheuk Yin | Hong Kong | 24.50 | |
| 17 | 3 | 2 | Joe Kurniawan | Indonesia | 24.52 | |
| 18 | 5 | 8 | Matthew Abeysinghe | Sri Lanka | 24.58 | |
| 19 | 5 | 7 | Vindhawai Khade | India | 24.67 | |
| 19 | 4 | 2 | Mehrshad Afghari | Iran | 24.67 | |
| 21 | 5 | 1 | Navaphat Wongcharoen | Thailand | 24.71 | |
| 22 | 3 | 1 | Dimuth Peiris | Sri Lanka | 24.91 | |
| 23 | 4 | 1 | Supha Sangaworawong | Thailand | 25.17 | |
| 24 | 4 | 8 | Tameem Elhamayda | Qatar | 25.58 | |
| 25 | 3 | 8 | Al Kulaibi Arym | Oman | 25.95 | |
| 26 | 2 | 3 | Lam Chi Chong | Macau | 26.01 | |
| 27 | 2 | 4 | Musa Zhalayev | Turkmenistan | 26.11 | |
| 28 | 1 | 2 | Mahmoud Abugharbia | Palestine | 26.34 | |
| 29 | 2 | 5 | Abdulla Alkhaldi | Qatar | 26.55 | |
| 30 | 3 | 3 | Arslan Gaýypnazarow | Turkmenistan | 26.71 | |
| 31 | 2 | 6 | Sodovjamts Sodmandakh | Mongolia | 26.81 | |
| 32 | 2 | 2 | Muhammad Ahmed Durrani | Pakistan | 27.10 | |
| 33 | 2 | 8 | Mohamed Shiham | Maldives | 27.67 | |
| 34 | 1 | 5 | Saddam Ramziyorzoda | Tajikistan | 28.16 | |
| 35 | 1 | 3 | Fahim Anwari | Afghanistan | 28.45 | |
| 36 | 2 | 1 | Azhar Abbas | Pakistan | 28.61 | |
| 37 | 1 | 7 | Phoumbandith Keopaseuth | Laos | 29.11 | |
| 38 | 1 | 6 | Ahmed Neeq Niyaz | Maldives | 29.12 | |
| 39 | 1 | 1 | Slava Sihanouvong | Laos | 29.93 | |
| 40 | 1 | 4 | Olimjon Ishanov | Tajikistan | 30.05 | |

### Final

| Rank | Lane | Swimmer | Nationality | Time | Notes |
| | 4 | Baek In-chul | South Korea | 23.29 | GR, NR |
| | 5 | Teong Tzen Wei | Singapore | 23.34 | |
| | 2 | Adilbek Mussin | Kazakhstan | 23.44 | |
| 4 | 3 | Wang Changhao | China | 23.46 | |
| 5 | 1 | Takeshi Kawamoto | Japan | 23.54 | |
| 6 | 8 | Eldorbek Usmonov | Uzbekistan | 23.56 | |
| 7 | 7 | Mikkel Lee | Singapore | 23.60 | |
| 8 | 6 | Chen Juner | China | 23.71 | |