The Women's 200 Individual Medley (or "I.M.") swimming event at the 2009 SEA Games was held on December 10, 2009.
Results edit
Final edit
| Place | Lane | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Yi Ting Siow |  Malaysia |
2:14.57 | |
| 2 | 8 | Natthanan Junkrajang |  Thailand |
2:18.98 | |
| 3 | 2 | Hui Yu Koh |  Singapore |
2:20.71 | |
| 4 | 3 | Fibriani R Marita |  Indonesia |
2:21.00 | |
| 5 | 1 | Chavisa T | Thailand |
2:21.57 | |
| 6 | 5 | Koh Ting Ting | Singapore |
2:25.71 | |
| 7 | 6 | Ressa Ressa | Indonesia |
2:26.34 | |
| 8 | 7 | Erika Kong | Malaysia |
2:28.24 |
Preliminary heats edit
| Rank | Heat/Lane | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|---|
| 1 | H2 L4 | Yi Ting Siow | Malaysia |
2:21.16 | Q |
| 2 | H2 L3 | Koh Ting Ting | Singapore |
2:26.42 | Q |
| 3 | H2 L5 | Fibriani R Marita | Indonesia |
2:26.63 | Q |
| 4 | H1 L3 | Ressa Ressa | Indonesia |
2:27.05 | Q |
| 5 | H2 L6 | Hui Yu Koh | Singapore |
2:27.55 | Q |
| 6 | H1 L6 | Erika Kong | Malaysia |
2:31.01 | Q |
| 6 | H1 L5 | Chavisa T | Thailand |
2:32.17 | Q |
| 8 | H1 L4 | Natthanan Junkrajang | Thailand |
2:32.42 | Q |