4 x 100 m Medley Relay, Women
| Competition | 1999 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Bandar Seri Begawan
 BRU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Thailand |  THA |
4:20.76 | ||
| Tachaphorn Iamsanitamorn | — | ||||
| Chonlathorn Vorathamrong | — | ||||
| Pilin Tachakittiranan | — | ||||
| Praphalsai Minpraphal | — | ||||
| 🥈 | Malaysia |  MAS |
4:27.07 | ||
| Cindy Pik | — | ||||
| Siow Yi Ting | — | ||||
| Sia Wai Yen | — | ||||
| Teo Mui Nyee | — | ||||
| 🥉 | Singapore |  SGP |
4:29.37 | ||
| Rebecca Heng | — | ||||
| Phua Shu Yan | — | ||||
| Cheryl Chong | — | ||||
| Christel Bouvron | — |