Joliot (, ) is a surname. Notable people with the surname include:
Frédéric Joliot-Curie (1900–1958), French radiochemist and Nobel laureate Hélène Langevin-Joliot (born 1927), French nuclear physicist Irène Joliot-Curie (1897–1956), French radiochemist and Nobel laureate, daughter of Marie Skłodowska-Curie and Pierre Curie Pierre Joliot (born 1932), French biologist and researcher for the CNRS
See also Joliot (crater), large lunar impact crater that lies on the far side of the Moon, just past the eastern limb Joliot-Curie Metro Station, station on the Sofia Metro in Bulgaria