Harp is a surname. Notable people with the surname include:
Clarine Harp (born 1978), American voice actress Everette Harp (born 1961), American saxophonist Jessica Harp (born 1982), American musician Natalie Harp (born 1991), American political aide Susana Harp (born 1968), Mexican singer Tom Harp (born c. 1927), American football player and coach Toni Harp (born 1949), American politician