# Swimming at the 2022 Asian Games – Men's 100 metre freestyle

The men's 100 metre freestyle event at the 2022 Asian Games took place on 24 September 2023 at the Hangzhou Olympic Sports Expo Center.

## Schedule

All times are China Standard Time (UTC+08:00)
| Date | Time | Event |
| Monday, 24 September 2023 | 10:49 | Heats |
| Monday, 24 September 2023 | 20:26 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.
| World Record | David Popovici (ROU) | 46.86 | Rome, Italy | 13 August 2022 |
| Asian Record | Pan Zhanle (CHN) | 47.43 | Fukuoka, Japan | 25 July 2023 |
| Games Record | Ning Zetao (CHN) | 47.70 | Incheon, South Korea | 25 September 2014 |
The following records were established during the competition:
| Date | Event | Name | Nation | Time | Record |
| 24 September 2023 | Final | Pan Zhanle | China | 46.97 | AR, GR |

## Results
### Heats

| Rank | Heat | Lane | Swimmer | Nationality | Time | Notes |
| 1 | 4 | 4 | Wang Haoyu | China | 48.13 | Q |
| 2 | 6 | 5 | Hwang Sun-woo | South Korea | 48.54 | Q |
| 3 | 6 | 4 | Pan Zhanle | China | 48.66 | Q |
| 3 | 5 | 4 | Katsuhiro Matsumoto | Japan | 48.66 | Q |
| 5 | 4 | 5 | Jonathan Tan | Singapore | 49.12 | Q |
| 6 | 5 | 6 | Adilbek Mussin | Kazakhstan | 49.18 | Q |
| 7 | 6 | 3 | Lee Ho-joon | South Korea | 49.24 | Q |
| 8 | 5 | 3 | Quah Zheng Wen | Singapore | 49.28 | Q |
| 9 | 5 | 5 | Tomonobu Gomi | Japan | 49.50 | |
| 10 | 4 | 3 | Cheuk Ming Ho | Hong Kong | 50.03 | |
| 11 | 4 | 6 | Dulyawat Kaewsriyong | Thailand | 50.26 | |
| 12 | 4 | 1 | Tanish George Mathew | India | 50.61 | |
| 13 | 4 | 2 | Lim Yin Chuen | Malaysia | 50.82 | |
| 14 | 6 | 6 | Ian Ho Yentou | Hong Kong | 50.90 | |
| 14 | 5 | 2 | Jason Hatch | Philippines | 50.90 | |
| 16 | 5 | 7 | Samyar Abdoli | Iran | 50.92 | |
| 17 | 6 | 8 | Anand Anilkumar Shylaja | India | 50.94 | |
| 18 | 6 | 2 | Waleed Abdulrazzaq | Kuwait | 50.98 | |
| 18 | 5 | 1 | Arvin Shaun Singh Chahal | Malaysia | 50.98 | |
| 20 | 4 | 7 | Joe Kurniawan | Indonesia | 51.04 | |
| 21 | 6 | 7 | Matthew Abeysinghe | Sri Lanka | 51.18 | |
| 22 | 5 | 8 | Ngo Dinh Chuyen | Vietnam | 51.42 | |
| 23 | 3 | 5 | Musa Zhalayev | Turkmenistan | 51.63 | |
| 24 | 3 | 4 | Nicholas Subagyo | Indonesia | 52.11 | |
| 25 | 2 | 2 | Yazan Bawwab | Palestine | 52.25 | |
| 26 | 3 | 3 | Batbayar Enkhtamir | Mongolia | 52.55 | |
| 27 | 3 | 6 | Ahmed Diab | Qatar | 52.93 | |
| 28 | 1 | 6 | Mahmoud Abugharbia | Palestine | 53.20 | |
| 29 | 3 | 7 | Tameem Elhamayda | Qatar | 53.37 | |
| 30 | 4 | 8 | Issa Al Adawi | Oman | 53.53 | |
| 31 | 3 | 8 | Ng Chi Hin | Macau | 53.89 | |
| 32 | 3 | 2 | Antonine de Lapparent | Cambodia | 53.93 | |
| 33 | 2 | 4 | Muhammad Ahmed Durrani | Pakistan | 53.96 | |
| 34 | 3 | 1 | Alexander Shah | Nepal | 54.14 | |
| 35 | 6 | 1 | Tonnam Kanteemool | Thailand | 54.87 | |
| 36 | 2 | 3 | Muhammad Amaan Siddiqui | Pakistan | 55.03 | |
| 37 | 2 | 5 | Ardasher Gadoev | Tajikistan | 55.11 | |
| 38 | 2 | 1 | Phansovannarun Montross | Cambodia | 55.35 | |
| 39 | 2 | 7 | Sangay Tenzin | Bhutan | 55.94 | |
| 40 | 2 | 6 | Tamir Rentsendorj | Mongolia | 56.11 | |
| 41 | 2 | 8 | Mubai Azzam Ibrahim | Maldives | 58.44 | |
| 42 | 1 | 4 | Santisouk Inthavong | Laos | 58.48 | |
| 43 | 1 | 5 | Nikita Borisov | Tajikistan | 1:04.94 | |
| 44 | 1 | 3 | Jolanio Guterres | East Timor | 1:08.14 | |

### Final

| Rank | Lane | Swimmer | Nationality | Time | Notes |
| | 3 | Pan Zhanle | China | 46.97 | AS, GR, NR |
| | 4 | Wang Haoyu | China | 48.02 | |
| | 5 | Hwang Sun-woo | South Korea | 48.04 | |
| 4 | 1 | Lee Ho-joon | South Korea | 48.68 | |
| 5 | 6 | Katsuhiro Matsumoto | Japan | 48.72 | |
| 6 | 2 | Jonathan Tan | Singapore | 48.94 | |
| 7 | 7 | Adilbek Mussin | Kazakhstan | 49.10 | |
| 8 | 8 | Quah Zheng Wen | Singapore | 49.27 | |