# Swimming at the 2022 Asian Games – Mixed 4 × 100 metre medley relay

The mixed 4 × 100 metre medley relay event at the 2022 Asian Games took place on 27 September 2023 at the Hangzhou Olympic Sports Expo Center.

## Schedule

All times are Chinese Time (UTC+08:00)
| Date | Time | Event |
| Wednesday, 27 September 2023 | 11:31 | Heats |
| Wednesday, 27 September 2023 | 20:57 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.
| World Record | United Kingdom | 3:37.58 | Tokyo, Japan | 31 July 2021 |
| Asian Record | China | 3:38.41 | Qingdao, China | 1 October 2020 |
| Games Record | China | 3:40.45 | Jakarta, Indonesia | 22 August 2018 |
The following records were established during the competition:
| Date | Event | Nation | Time | Record |
| 27 September 2023 | Final | China | 3:37.73 | AR, GR |

## Results
### Heats

| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 4 | China | Wang Shun (53.80) Yan Zibei (59.62) Wang Yichun (58.16) Cheng Yujie (54.09) | 3:45.67 | Q |
| 2 | 2 | 5 | Japan | Hidekazu Takehara (54.77) Ippei Watanabe (1:00.28) Hiroko Makino (58.22) Nagisa Ikemoto (54.67) | 3:47.94 | Q |
| 3 | 1 | 4 | South Korea | Lee Ju-ho (55.10) Choi Dong-yeol (1:01.08) Kim Seo-yong (1:00.10) Hur Yeon-kyung (54.75) | 3:51.03 | Q |
| 4 | 1 | 5 | Kazakhstan | Xeniya Ignatova (1:02.47) Arsen Kozhakhmetov (1:01.81) Sofia Spodarenko (1:00.03) Adilbek Mussin (48.51) | 3:52.82 | Q |
| 5 | 2 | 3 | Hong Kong | Cindy Cheung (1:02.35) Adam Mak (1:01.76) Yeung Hoi Ching (1:00.52) Ian Ho (49.57) | 3:54.20 | Q |
| 6 | 1 | 3 | Singapore | Zachary Tan (56.87) Maximillian Ang Wei (1:01.61) Marina Chan (1:01.99) Amanda Lim (56.54) | 3:57.01 | Q |
| 7 | 2 | 2 | Indonesia | Masniari Wolf (1:05.97) Muhammad Dwiky Raharjo (1:02.04) Joe Aditya Kurniawan (54.23) Angel Gabriella Yus (59.25) | 4:01.49 | Q |
| 8 | 2 | 6 | Chinese Taipei | Wang Hsing-hao (58.23) Cai Bing-rong (1:05.07) Hsu An (1:01.63) Huang Mei-chien (57.78) | 4:02.71 | Q |
| 9 | 1 | 6 | Thailand | Saovanee Boonamphai (1:07.72) Thanonchai Janruksa (1:03.93) Surasit Thongdeang (54.67) Sapianchai Komkarnjana (58.51) | 4:04.83 | |
| 10 | 1 | 2 | Vietnam | Trần Hưng Nguyên (57.74) Nguyễn Thúy Hiền (1:15.00) Nguyễn Quang Thuấn (57.81) Phạm Thị Vân (59.69) | 4:10.24 | |
| 11 | 1 | 1 | Mongolia | Ariuntamir Enkh-Amgalan (1:07.93) Batbayar Enkhtamir (1:05.08) Tselmeg Khash-Erdene (1:01.79) Batbayaryn Enkhkhüslen (56.97) | 4:11.77 | |
| 12 | 1 | 7 | Palestine | Yazan Bawwab (58.85) Marina Abushamaleh (1:15.68) Vleiry Tarazi (1:05.43) Mahmoud Abugharbia (53.22) | 4:13.18 | |
| 13 | 2 | 7 | Macau | Chan Si Chon (1:02.95) Choi Ngou Fai (1:04.69) Kuan I Cheng (1:09.34) Kuok Hei Cheng (1:00.10) | 4:17.08 | |
| 14 | 2 | 1 | Pakistan | Fatima Adnan Lotia (1:20.52) Muhammad Hamza Anwar (1:20.18) Muhammad Ahmed Durrani (1:02.96) Jehanara Nabi (1:02.41) | 4:46.07 | |
| 15 | 2 | 8 | Maldives | Ali Imaan (1:05.61) Mubal Azzam Ibrahim (1:15.92) Hanan Hussain Haleem (1:17.51) Hamna Ahmed (1:09.47) | 4:48.51 | |

### Final

| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | China | Xu Jiayu (51.91) Qin Haiyang (57.25) Zhang Yufei (56.05) Yang Junxuan (52.52) | 3:37.73 | AR, GR |
| | 5 | Japan | Ryosuke Irie (53.64) Yuya Hinomoto (59.50) Ai Soma (57.78) Nagisa Ikemoto (53.72) | 3:44.64 | |
| | 3 | South Korea | Lee Eun-ji (1:01.37) Choi Dong-yeol (59.69) Kim Seo-yeong (57.39) Hwang Sun-woo (48.33) | 3:46.78 | NR |
| 4 | 7 | Singapore | Quah Zheng Wen (55.26) Letitia Sim (1:06.47) Quah Jing Wen (59.60) Jonathan Tan (48.40) | 3:49.73 | NR |
| 5 | 6 | Kazakhstan | Xeniya Ignatova (1:01.78) Arsen Kozhakhmetov (1:01.52) Adilbek Mussin (51.46) Sofia Spodarenko (56.17) | 3:50.93 | |
| 6 | 2 | Hong Kong | Cindy Cheung (1:01.97) Benson Wong (1:01.83) Yeung Hoi Ching (1:00.94) Lau Ping Chi (50.47) | 3:55.21 | |
| 7 | 8 | Chinese Taipei | Chuang Mu-lun (56.53) Lin Pei-wun (1:09.05) Wang Kuan-hung (54.22) Hsu An (56.89) | 3:56.69 | NR |
| 8 | 1 | Indonesia | Angel Gabriella Yus (1:03.90) Muhammad Dwiky Raharjo (1:01.87) Joe Aditya Kurniawan (53.80) Masniari Wolf (1:01.93) | 4:01.50 | |