Hirsig is a surname. Notable people with the surname include:
Alma Hirsig Bliss (1875–c. 1959), American miniature painter Leah Hirsig (1883–1975), Swiss-American Thelemite Santiago Hirsig (born 1978), Argentine footballer William G. Hirsig (1868–1924), American automobile dealer
See also Louis Hirsig House, historic house in Madison, Wisconsin