# Swimming at the 2014 Asian Games – Women's 4 × 100 metre medley relay

The women's 4 × 100 metre medley relay event at the 2014 Asian Games took place on 25 September 2014 at Munhak Park Tae-hwan Aquatics Center.

## Schedule

All times are Korea Standard Time (UTC+09:00)
| Date | Time | Event |
| Thursday, 25 September 2014 | 09:00 | Heats |
| Thursday, 25 September 2014 | 20:20 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.
| World Record | United States | 3:52.05 | London, United Kingdom | 4 August 2012 |
| Asian Record | China | 3:52.19 | Rome, Italy | 1 August 2009 |
| Games Record | China | 3:57.80 | Guangzhou, China | 13 November 2010 |

## Results
### Legend

* DNS — Did not start
* DSQ — Disqualified

### Heats

| Rank | Heat | Team | Time |
| 1 | 2 | Japan (JPN) | 4:06.54 |
| | | Shiho Sakai | 1:03.06 |
| | | Kanako Watanabe | 1:07.62 |
| | | Miyu Nakano | 1:00.50 |
| | | Miki Uchida | 55.36 |
| 2 | 1 | South Korea (KOR) | 4:11.99 |
| | | Lee Da-lin | 1:03.13 |
| | | Yang Ji-won | 1:10.92 |
| | | An Se-hyeon | 1:00.76 |
| | | Ko Mi-so | 57.18 |
| 3 | 1 | Hong Kong (HKG) | 4:19.35 |
| | | Claudia Lau | 1:04.61 |
| | | Jamie Yeung | 1:12.10 |
| | | Chan Kin Lok | 1:03.78 |
| | | Tam Hoi Lam | 58.86 |
| 4 | 2 | Singapore (SIN) | 4:20.88 |
| | | Tan Jing E | 1:06.91 |
| | | Samantha Yeo | 1:12.65 |
| | | Quah Ting Wen | 1:01.37 |
| | | Marina Chan | 59.95 |
| 5 | 1 | Chinese Taipei (TPE) | 4:25.30 |
| | | Hsu An | 1:04.91 |
| | | Lin Pei-wun | 1:13.58 |
| | | Yang Chin-kuei | 1:06.23 |
| | | Yang Ming-hsuan | 1:00.58 |
| 6 | 1 | Macau (MAC) | 4:28.43 |
| | | Erica Vong | 1:06.01 |
| | | Lei On Kei | 1:14.54 |
| | | Ma Cheok Mei | 1:07.78 |
| | | Tan Chi Yan | 1:00.10 |
| 7 | 2 | Thailand (THA) | 4:29.41 |
| | | Natthanan Junkrajang | 1:04.82 |
| | | Phiangkhwan Pawapotako | 1:13.77 |
| | | Patarawadee Kittiya | 1:05.55 |
| | | Sutasinee Pankaew | 1:05.27 |
| 8 | 2 | Mongolia (MGL) | 5:14.32 |
| | | Bayaryn Yesüi | 1:19.15 |
| | | Saintöriin Nomun | 1:28.56 |
| | | Tsogtgereliin Möngönsor | 1:13.07 |
| | | Enkhmandakhyn Nandinzayaa | 1:13.54 |
| — | 2 | China (CHN) | DSQ |
| | | Wang Xueer | 1:02.19 |
| | | He Yun | 1:08.67 |
| | | Lu Ying | |
| | | Tang Yi | |
| — | 1 | Pakistan (PAK) | DNS |

### Final

| Rank | Team | Time |
| | Japan (JPN) | 4:00.94 |
| | Shiho Sakai | 1:01.70 |
| | Kanako Watanabe | 1:06.79 |
| | Natsumi Hoshi | 58.80 |
| | Miki Uchida | 53.65 |
| | South Korea (KOR) | 4:04.82 |
| | Lee Da-lin | 1:02.64 |
| | Yang Ji-won | 1:08.93 |
| | An Se-hyeon | 57.79 |
| | Ko Mi-so | 55.46 |
| | Hong Kong (HKG) | 4:07.15 |
| | Stephanie Au | 1:01.96 |
| | Yvette Kong | 1:10.69 |
| | Sze Hang Yu | 1:00.08 |
| | Siobhán Haughey | 54.42 |
| 4 | Singapore (SIN) | 4:11.77 |
| | Tao Li | 1:03.42 |
| | Samantha Yeo | 1:11.93 |
| | Quah Ting Wen | 1:00.31 |
| | Amanda Lim | 56.11 |
| 5 | Thailand (THA) | 4:16.66 |
| | Natthanan Junkrajang | 1:05.57 |
| | Phiangkhwan Pawapotako | 1:12.11 |
| | Sarisa Suwannachet | 1:00.90 |
| | Benjaporn Sriphanomthorn | 58.08 |
| 6 | Chinese Taipei (TPE) | 4:19.92 |
| | Hsu An | 1:04.36 |
| | Lin Pei-wun | 1:12.58 |
| | Yu Yi-chen | 1:04.56 |
| | Yang Chin-kuei | 58.42 |
| 7 | Macau (MAC) | 4:26.18 |
| | Erica Vong | 1:05.36 |
| | Lei On Kei | 1:14.78 |
| | Ma Cheok Mei | 1:07.58 |
| | Tan Chi Yan | 58.46 |
| 8 | Mongolia (MGL) | 5:07.23 |
| | Bayaryn Yesüi | 1:18.96 |
| | Saintöriin Nomun | 1:26.03 |
| | Tsogtgereliin Möngönsor | 1:10.17 |
| | Enkhmandakhyn Nandinzayaa | 1:12.07 |