Ta Phraya National Park (, , ]) is a protected area at the eastern end of the Sankamphaeng Range in the area where these mountains meet the Dangrek Range, near the Thai-Cambodian border. It is largely in Ta Phraya District, Sa Kaeo Province, district after which it is named, although the park also includes sectors of Ban Kruat, Non Din Daeng, and Lahan Sai Districts of Buriram Province. The park is east of Pang Sida National Park. It was established in 1996.