| Final 19:24 | time | | L | | 1. Sayaka Akase |  JPN | 2:10.31 | | 4 | | 2. Chen Jie |  CHN | 2:10.53 | | 5 | | 3. Nguyễn Thị Ánh Viên |  VIE | 2:12.25 | | 6 | | 4. Marie Kamimura | JPN | 2:13.14 | | 3 | | 5. Claudia Lau |  HKG | 2:14.23 | | 2 | | 6. Lee Do-ryun |  KOR | 2:14.69 | | 1 | | 7. Lee Da-lin | KOR | 2:15.54 | | 8 | | 8. Fu Yuanhui | CHN | 2:20.46 | | 7 |
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| Venue: Muhak Park Tae-hwan Aquatics Center. |
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| World record: Missy Franklin (USA) 2:04.06 London, United Kingdom 3 August 2012 | | Asian record: Zhao Jing (CHN) 2:06.46 Guangzhou, China 14 November 2010 | | Games record: Zhao Jing (CHN) 2:06.46 Guangzhou, China 14 November 2010 |
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Heats - Friday 26.09 Morning session 09:00 |
| Ranking | time | H | | 1. Sayaka Akase | JPN | 2:11.35 | 2 | | 2. Chen Jie | CHN | 2:12.93 | 1 | | 3. Marie Kamimura | JPN | 2:13.83 | 2 | | 4. Nguyễn Thị Ánh Viên | VIE | 2:13.96 | 2 | | 5. Claudia Lau | HKG | 2:14.32 | 1 | | 6. Fu Yuanhui | CHN | 2:14.53 | 1 | | 7. Lee Do-ryun | KOR | 2:15.17 | 2 | | 8. Lee Da-lin | KOR | 2:16.30 | 1 | | eliminated in Heats | | 9. Stephanie Au | HKG | 2:20.49 | 1 | | 10.Hsu An |  TPE | 2:20.51 | 2 | | 11.Yulduz Kuchkarova |  UZB | 2:20.78 | 2 | | 12.Tan Jing E |  SGP | 2:25.82 | 1 | | 13.Erica Vong |  MAC | 2:26.86 | 2 | | 14.Bayaryn Yesüi |  MGL | 2:47.79 | 1 |
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