Thun Sophea is a retired professional kickboxer from Svay Rieng, Cambodia. He is the 2006 Cambodian Television Network Traditional Khmer Kickboxing champion. Thun Sophea trained at the Ministry of Defense Boxing Association under Chhit Sarim, who also trained Cambodian champion Eh Phouthong at the Ministry of Defense Boxing Club. Thun Sophea was once considered Cambodia's best kickboxer. He had defeated every notable Cambodian fighter including Sen Bunthen, Vorn Viva, Meas Chantha, Chey Kosal and Outh Phouthang.

Svay Rieng is a province (khaet) in Cambodia. Located in the southeast, the province juts into Vietnam, which surrounds it to the north, east and south. The only other Cambodian province to border Svay Rieng is Prey Veng. The capital is Svay Rieng while the largest city is Bavet, which is the international border between Cambodia and Vietnam.