Gans is a Dutch and German noun meaning "goose".
It is also a surname. Notable people with the surname include:
Bird Stein Gans (1868–1944), American educator involved in parent education
Christophe Gans (born 1960), French film director
David Gans (1541–1613), Jewish German-Czech mathematician, historian, and astronomer
Danny Gans (1956–2009), American singer and comedian
Donovan Gans (born 1971), American football player
Eduard Gans (1797–1839), Jewish German jurist
Eric Gans (born 1941), American scholar and professor
Herbert J. Gans (born 1927), American sociologist
Joachim Gans, 16th-century Jewish Czech mining expert, the first Jew to live in America
Joe Gans (1874–1910), American lightweight boxer
Richard Gans, founder of the Spanish type foundry Fundiciòn Richard Gans
Richard Gans (1880–1954), Jewish German physicist
Ron Gans (1931–2010), American voice-over artist and character actor
Sharon Gans (born 1942), American actress