Mattei is a surname associated with the noble post-ancient Rome Mattei family. Notable people with the surname include:
Members of the Mattei family of Italian nobility including: Muzio Mattei (died 1596) Ciriaco Mattei (died 1614) (Muzio's nephew) Girolamo Mattei (1547–1603)(Ciriaco's brother and a cardinal) Asdrubale Mattei (died 1638)(Ciriaco's brother) Girolamo Mattei, Duca di Giove (1606–1676)(Asdrubale's son) Luigi Mattei (1609–1665)(Asdrubale's son) Bruno Mattei (1931–2007), Italian movie director Clara Mattei (born 1988), Italian economist and academic Clarence Mattei (1883–1945), American portrait painter Davide Mattei (born 2001), know professionally as Thasup, Italian rapper and record producer Enrico Mattei (1906-1962), Italian public administrator who created ENI Evelyn Matthei (born 1953), Chilean right-wing politician Fernando Matthei (1925–2017), Chilean airforce commander and junta member Janet Akyüz Mattei (1943–2004), Turkish-American astronomer and former director of the American Association of Variable Star Observers Luca Mattei (born 1964), retired Italian football midfielder Maurizio Mattei (1942–2021), Italian football referee and refereeing officer Olga Elena Mattei (born 1933), Colombian Poet Peter Mattei (born 1965), Swedish operatic baritone Sara Mattei (born 1995), know professionally as Mara Sattei, Italian singer-songwriter Stanislao Mattei (1750–1825), composer and priest Ugo Mattei (born 1961), professor at the University of Torino
See also