Vincenzi is a surname. Notable people with the surname include:
Tommaso Vincenzi (died 1478), Italian Roman Catholic Bishop of Pesaro (1475–1478) and Bishop of Terni (1472–1475) Giacomo Vincenzi (died 1619), Italian bookseller and music printer from Venice, also known as Giacomo Vincenti
Alfredo Ciriaco De Vincenzi (1907–date of death unknown), Italian Argentine professional football player Francesco Vincenzi (born 1956), Italian footballer and manager Giorgio De Vincenzi (1884–1965), Italian painter and etcher Giovanni Vincenzi (1905–1970), Italian footballer Guido Vincenzi (1932–1997), Italian footballer Marta Vincenzi (born 1947), Italian politician Penny Vincenzi (1939-2018), British novelist