Hoàng Su Phì is a rural district of Ha Giang province in the northeastern region of Vietnam. As of 2003 the district had a population of 53,937. The district covers an area of 629 km². The district capital lies at Vinh Quang. Hoang Su Phi is famous for its rice fields terraces, especially on the road between Hoang Su Phi and Xin Man, where those terraces are classified as a National Heritage by the Vietnamese Government.