Kasper is a German surname. Notable people with the surname include:
Adam Kasper, American record producerAntonín Kasper (disambiguation), several people with this nameDave Kasper, American soccer playerDebbie Kasper, American television writer and comedianDegen Kasper (born 1989), American beauty queenGail Kasper, American television hostGian-Franco Kasper (born 1944), Swiss ski officialHerbert Kasper (born 1926), American fashion designerJan Kasper (1932–2005), Czech ice hockey playerJohn Kasper (1929–1998), American activistKevin Kasper (born 1977), American football player in the National Football LeagueKalle Käsper, Estonian writerLen Kasper (born 1971), American television broadcaster for the Chicago CubsLudwig Kasper (1893–1945), Austrian sculptorLynne Rossetto Kasper, American food writer and radio journalistNolan Kasper (born 1989), American alpine skierPhilip H. Kasper (1866-1942), American farmer and businessmanRick Kasper, Canadian mason and politicianSteve Kasper (born 1961), Canadian ice hockey playerWalter Kasper (born 1933), German clergyman