400 m Individual Medley, Women
| Competition | 1999 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Bandar Seri Begawan
 BRU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Joscelin Yeo |  SGP |
2:17.17 | ||
| 🥈 | Sia Wai Yen |  MAS |
2:20.64 | ||
| 🥉 | Ravee Intaporn-Udom |  THA |
2:23.99 |