Audin is a French surname. Notable people with the surname include:
Amable Audin (1899–1990), French archaeologist Jean-M.-Vincent Audin (1793–1851), French Roman Catholic author, journalist and historian Martine Audin (born 1959), French gymnast Maurice Audin (1932–1957), French mathematician Michèle Audin (1954–2025), French mathematician, writer and professor Nadine Audin (born 1958), French gymnast
See also FC Audin, a football club of East Timor