Doi Pha Hom Pok National Park (Thai: อุทยานแห่งชาติดอยผ้าห่มปก), formerly known as Mae Fang National Park, is the northernmost national park in Thailand. It straddles Fang, Mae Ai and Chai Prakan Districts of Chiang Mai Province. The park covers 524 km² of the mountain area of the Daen Lao Range, at the border with Burma. The tallest peak is Doi Pha Hom Pok at 2,285 meters the third highest in Thailand.
Doi Pha Hom Pok National Park is mosty covered with forests, where tree species such as Hopea odorata predominate with rare plant species such as Impatiens jurpioides and butterflies such as Meandrusa sciron. Doi Lang, located within the park, is an excellent area for birdwatching. The park is also famous for its hot springs.