Dettori is an Italian surname. Notable people with the surname include:
Alessandro Dettori (born 1989), Italian footballer Bruno Dettori (1941–2020), Italian politician Francesco Dettori (born 1983), Italian footballer Frankie Dettori (born 1970), Italian horse racing jockey Giancarlo Dettori (1932–2026), Italian actor Gianfranco Dettori (born 1941), Italian horse racing jockey, father of Frankie (Lanfranco) above