Gigon is a surname. Notable people with the surname include:
Didier Gigon (born 1968), Swiss former footballer Michaela Gigon (born 1977), Austrian mountain bike orienteer and several times world champion Michel Gigon (1929–2022), French painter, stained-glass window designer Norm Gigon (1938–2013), Major League Baseball utility player Olivier Gigon (born 1979), Swiss professional ice hockey goaltender
See also Papilio gigon, butterfly of the family Papilionidae