Frantz is a masculine given name. Notable people with the name include:
Frantz Bertin (born 1983), Haitian footballer
Frantz Bruun (1832-1908), Norwegian priest
Frantz Casseus (1915-1993), Haitian guitarist
Frantz Fanon (1925-1961), Martiniquais psychiatrist
Frantz Funck-Brentano (1862-1947), Luxembourgish French historian
Frantz Gilles (born 1977), Haitian footballer
Frantz Granvorka (born 1976), French volleyball player
Frantz Hardy (born 1985), American footballer
Frantz Heldenstein (1892-1975), Luxembourgish sculptor
Frantz Hunt Coe (1856-1904), American physician
Frantz Joseph (born 1986), American Canadian football player
Frantz Kruger (born 1975), South African Finnish discus thrower
Frantz Lender (1881-1927), Russian weapons designer
Frantz Mathieu (21st century), Haitian footballer
Frantz Reichel (1871-1932), French athlete
Frantz Vitko (21st century), Belarusian trade unionist
Fictional characters
Frantz (Coppélia), character in the sentimental comic ballet Coppélia
Frantz, character in the Japanese anime series Yu-Gi-Oh! GX
Frantz Fuchs, character in the Hitman series of video games