4 x 100 m Medley Relay, Men
| 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 | ||
|---|---|---|---|---|---|
| 🥇 | Malaysia |  MAS |
3:45.61 | ||
| Elvin Chia | — | ||||
| Alex Lim | — | ||||
| Anthony Ang | — | ||||
| Allen Ong | — | ||||
| 🥈 | Thailand |  THA |
3:50.45 | ||
| Dulyarit Phuangthong | — | ||||
| Nuttapol Chavanavanichwoot | — | ||||
| Ratapong Sirisanont | — | ||||
| Vicha Ratanachote | — | ||||
| 🥉 | Singapore |  SGP |
3:55.56 | ||
| Gary Tan | — | ||||
| Jonathan Chua | — | ||||
| Mark Chay | — | ||||
| Daniel Liew | — |