| Noc: | THA |
| Nocname: | National Olympic Committee of Thailand |
| Games: | Summer Olympics |
| Year: | 1984 |
| Website: | |
| Location: | Los Angeles |
| Competitors: | 39 |
| Sports: | 5 |
| Flagbearer: | Rangsit Yanothai |
| Rank: | 33 |
| Gold: | 0 |
| Silver: | 1 |
| Bronze: | 0 |
| Appearances: | auto |
Thailand competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics.
See main article: Archery at the 1984 Summer Olympics.
See main article: Athletics at the 1984 Summer Olympics.
Women's 100 metres
Women's Long Jump
See main article: Boxing at the 1984 Summer Olympics.
| Athlete | Event | First round | Second round | Third round | Quarterfinals | Semifinals | Final | ||
|---|---|---|---|---|---|---|---|---|---|
| Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank | |||
| Sanpol Sang-Ano | Men's Light Flyweight | L RSC–3 | did not advance | ||||||
| Wanchai Pongsri | Men's Bantamweight | L KO–2 | did not advance | ||||||
| Dhawee Umponmaha | Men's Light Welterweight | W 5–0 | W 3–2 | W 4–1 | W 5–0 | W 5–0 | L 0–5 | ||
See main article: Sailing at the 1984 Summer Olympics.
See main article: Shooting at the 1984 Summer Olympics.