Fonteyn is a Dutch surname. Notable people with the surname include:
Carel Fonteyn (fl. 1655–1665), Flemish painter Margot Fonteyn (1919–1991), English ballerina Mathieu Fonteyn (born 1985), Belgian swimmer Sam Fonteyn (1925–1991), English composer and pianist
See also Fonteyn (crater), a crater on Mercury Fonteyn artist name of Suzanne May: ( MUSIC ) vocalist, composer, producer .