Delafosse or Delafose is a French surname. Notable people with this name include:
Gabriel Delafosse (1796–1878), French mineralogist Geno Delafose (born 1972), American Zydeco musician, son of John Delafose John Delafose (1939–1994), American Zydeco musician Maurice Delafosse (1870–1926), French ethnographer and colonial official
See also De la Fosse