Swimming at the 2009 Southeast Asian Games – Women's 200 metre backstroke
# Swimming at the 2009 Southeast Asian Games – Women's 200 metre backstroke

The Women's 200 Backstroke swimming event at the 25th SEA Games was held on December 10, 2009.

## Results

### Final

| Place | Lane | Swimmer | Nation | Time |
| - | - | - | - | - |
| 1 | 6 | Tao Li | Singapore | 2:17.12 |
| 2 | 4 | Chavisa Thaveesupsoonthorn | Thailand | 2:19.87 |
| 3 | 5 | Shana Lim | Singapore | 2:20.98 |
| 4 | 3 | Tiffani Sudharma | Indonesia | 2:23.25 |
| 5 | 7 | Dorothy Hong | Philippines | 2:26.58 |
| 6 | 1 | Thi Thom Duong | Vietnam | 2:27.68 |
| 7 | 2 | Navarat Thongkaew | Thailand | 2:27.69 |
| 8 | 8 | Kah Yan Chan | Malaysia | 2:32.72 |

### Preliminary heats

| Rank | Heat/Lane | Swimmer | Nation | Time | Notes |
| - | - | - | - | - | - |
| 1 | H1 L5 | Chavisa Thaveesupsoonthorn | Thailand | 02:20.82 | Q |
| 2 | H1 L4 | Shana Lim | Singapore | 2:21.97 | Q |
| 3 | H1 L3 | Tiffani Sudharma | Indonesia | 2:25.20 | Q |
| 4 | H2 L4 | Tao Li | Singapore | 2:26.12 | Q |
| 5 | H2 L6 | Navarat Thongkaew | Thailand | 2:26.73 | Q |
| 6 | H2 L2 | Dorothy Hong | Philippines | 2:26.78 | Q |
| 7 | H1 L6 | Thi Thom Duong | Vietnam | 2:27.15 | Q |
| 8 | H1 L2 | Kah Yan Chan | Malaysia | 2:28.71 | Q |
| 9 | H2 L3 | T Kim Tuyen Nguyen | Vietnam | 2:28.91 | |
| 10 | H2 L5 | Karmen Cheng | Malaysia | 2:34.52 | |
| 11 | H1 L7 | D Doheuang | Laos | 3:03.60 | |
