# Swimming at the 2002 Asian Games – Men's 4 × 100 metre medley relay

The men's 4 × 100 metre medley relay swimming competition at the 2002 Asian Games in Busan was held on 4 October at the Sajik Swimming Pool.

## Schedule

All times are Korea Standard Time (UTC+09:00)
| Date | Time | Event |
| Friday, 4 October 2002 | 10:00 | Heats |
| Friday, 4 October 2002 | 19:00 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.
| World Record | United States | 3:33.48 | Yokohama, Japan | 29 August 2002 |
| Asian Record | Japan | 3:38.88 | Osaka, Japan | 26 May 2001 |
| Games Record | Japan | 3:41.70 | Hiroshima, Japan | 8 October 1994 |

## Results
### Heats

| Rank | Heat | Team | Time |
| 1 | 2 | Japan (JPN) | 3:42.12 |
| | | Tomomi Morita | 55.44 |
| | | Yoshihisa Yamaguchi | 1:03.05 |
| | | Kohei Kawamoto | 53.24 |
| | | Daisuke Hosokawa | 50.39 |
| 2 | 1 | South Korea (KOR) | 3:51.40 |
| | | Sung Min | 58.18 |
| | | Son Sung-uk | 1:05.68 |
| | | Yoo Jung-nam | 55.47 |
| | | Park Kyong-ho | 52.07 |
| 3 | 2 | China (CHN) | 3:53.23 |
| | | Ouyang Kunpeng | 57.34 |
| | | Cheng Hao | 1:06.74 |
| | | Tang Wenjun | 56.23 |
| | | Liu Yu | 52.92 |
| 4 | 1 | Malaysia (MAS) | 3:53.69 |
| | | Alex Lim | 57.84 |
| | | Elvin Chia | 1:04.21 |
| | | Lubrey Lim | 59.33 |
| | | Allen Ong | 52.31 |
| 5 | 1 | Hong Kong (HKG) | 3:54.01 |
| | | Dickson Fai | 1:00.05 |
| | | Tam Chi Kin | 1:04.61 |
| | | Mark Kwok | 56.86 |
| | | Harbeth Fu | 52.49 |
| 6 | 2 | Chinese Taipei (TPE) | 3:55.43 |
| | | Wu Nien-pin | 59.01 |
| | | Yang Shang-hsuan | 1:04.77 |
| | | Tseng Cheng-hua | 58.44 |
| | | Wang Shao-an | 53.21 |
| 7 | 1 | Kazakhstan (KAZ) | 3:58.53 |
| | | Igor Sitnikov | 1:00.11 |
| | | Yevgeniy Ryzhkov | 1:07.60 |
| | | Vyacheslav Titarenko | 58.30 |
| | | Andrey Kvassov | 52.52 |
| 8 | 2 | Uzbekistan (UZB) | 4:02.49 |
| | | Albert Galyautdinov | 1:01.71 |
| | | Oleg Pukhnatiy | 1:06.90 |
| | | Petr Vasiliev | 58.91 |
| | | Aleksandr Agafonov | 54.97 |
| 9 | 2 | Macau (MAC) | 4:15.70 |
| | | Tang Chon Kit | 1:09.40 |
| | | Ma Chan Wai | 1:09.25 |
| | | Victor Wong | 58.76 |
| | | Lou Keng Ip | 58.29 |
| 10 | 2 | Mongolia (MGL) | 4:24.37 |
| | | Ganboldyn Urnultsaikhan | 1:07.34 |
| | | Khürleegiin Enkhmandakh | 1:15.32 |
| | | Bayar-Erdeniin Sonin-Erdene | 1:03.16 |
| | | Ganaagiin Galbadrakh | 58.55 |

### Final

| Rank | Team | Time | Notes |
| | Japan (JPN) | 3:37.45 | AR |
| | Atsushi Nishikori | 55.20 | |
| | Kosuke Kitajima | 59.81 | |
| | Takashi Yamamoto | 52.26 | |
| | Yoshihiro Okumura | 50.18 | |
| | China (CHN) | 3:42.07 | |
| | Ouyang Kunpeng | 55.28 | |
| | Zeng Qiliang | 1:02.13 | |
| | Jin Hao | 53.58 | |
| | Chen Zuo | 51.08 | |
| | South Korea (KOR) | 3:46.44 | |
| | Sung Min | 56.43 | |
| | Son Sung-uk | 1:05.05 | |
| | Yoo Jung-nam | 54.71 | |
| | Koh Yun-ho | 50.25 | |
| 4 | Malaysia (MAS) | 3:47.07 | |
| | Alex Lim | 55.44 | |
| | Elvin Chia | 1:03.75 | |
| | Lubrey Lim | 56.37 | |
| | Allen Ong | 51.51 | |
| 5 | Chinese Taipei (TPE) | 3:49.88 | |
| | Wu Nien-pin | 58.32 | |
| | Yang Shang-hsuan | 1:03.87 | |
| | Tseng Cheng-hua | 56.00 | |
| | Wang Shao-an | 51.69 | |
| 6 | Hong Kong (HKG) | 3:51.07 | |
| | Alex Fong | 59.75 | |
| | Tam Chi Kin | 1:03.81 | |
| | Mark Kwok | 55.56 | |
| | Harbeth Fu | 51.95 | |
| 7 | Kazakhstan (KAZ) | 3:59.31 | |
| | Igor Sitnikov | 1:01.13 | |
| | Yevgeniy Ryzhkov | 1:07.63 | |
| | Vyacheslav Titarenko | 57.24 | |
| | Andrey Kvassov | 53.31 | |
| 8 | Uzbekistan (UZB) | 4:00.90 | |
| | Albert Galyautdinov | 1:01.62 | |
| | Oleg Pukhnatiy | 1:07.40 | |
| | Petr Vasiliev | 58.62 | |
| | Aleksandr Agafonov | 53.26 | |