Gantenbein is a surname. Notable people with the surname include:
Burkhard Gantenbein (1912–2007, Swiss field handball player Joe Gantenbein (1915–1993), American baseball player Milt Gantenbein (1910–1988), American football player Sandra Gantenbein (born c. 1984), Swiss curler Talina Gantenbein (born 1998), Swiss freestyle skier
See also Gantenbein, a 1964 novel