Mae Wong National Park (Thai: อุทยานแห่งชาติแม่วงก์) is a national park in Thailand. This park lies in Mae Wong and Mae Poen Districts of Nakhon Sawan Province and Pang Sila Thong District of Kamphaeng Phet Province, in the west of Thailand. It was declared a national park on 14 September 1987 as the 54th national park of Thailand, with an area of 558,750 rai ~ 894 square kilometres (345 sq mi).