Miss Thailand Universe 2004 was the fifth Miss Thailand Universe pageant, held at Sofitel Centara Grand Bangkok, in Bangkok, Thailand on March 27, 2004. The 44 contestants arrived in Chiang Mai to participate in activities[vague] a week earlier, then returned to Bangkok to compete in the final round, which was broadcast live on BBTV Channel 7. Chananporn Rosjan was crowned Miss Thailand Universe 2004 by Yaowalak Traisurat, Miss Thailand Universe 2003.
| Miss Thailand Universe 2004 | |
|---|---|
| Date | March 27, 2004 |
| Presenters | Sanya Kunakorn, Sasina Wimuttanon |
| Venue | Sofitel Centara Grand Bangkok, Bangkok, Thailand |
| Broadcaster | BBTV Channel 7 |
| Entrants | 44 |
| Placements | 12 |
| Winner | Morakot Aimee Kittisara Bangkok |
Morakot Aimee Kittisara represented Thailand in Miss Universe 2004 pageant in Quito, Ecuador.