Thailand competed in the Summer Olympic Games for the first time at the 1952 Summer Olympics in Helsinki, Finland. It sent a delegation of eleven athletes, who only competed in the men's track-and-field event. The eight competitors (with three substitutes in addition) were: Adul Wanasatith, Boonterm Pakpuang, Arun Sankosik, Pongummart Ummarttayakul, Sompop Svadanandana, Boonpak Kwancharoen, Satid Leangtanom, and Kamtorn Sanidwong.