Costantino is both a masculine Italian given name and an Italian surname. Notable people with the name include:
People with the given name Costantino Affer (1906–1987), Italian medallist Costantino Barbella (1853–1925), Italian sculptor Costantino Bresciani Turroni (1882–1963), Italian economist and statistician Costantino de Castro, () Sardinian Roman Catholic bishop Costantino Catena (born 1969), Italian classical pianist Costantino Cedini (1741–1811), Italian painter Costantino Corti, 19th-century Italian sculptor Costantino D'Orazio (born 1974), Italian art critic and curator Costantino Fiaschetti, 18th-century Italian architect Costantino De Giacomo, Italian physician Costantino Lazzari (1857–1927), Italian politician Costantino Nigra (1828–1907), Italian diplomat Costantino Nivola (1911–1988), Italian sculptor Costantino Pasqualotto (1681–1755), Italian painter Costantino Patrizi Naro (1798–1876), Italian cardinal Costantino Rocca (born 1956), Italian golfer Costantino Sala (1913–?), Italian footballer Costantino Sereno (1829–1893), Italian painter Costantino de' Servi (1554–1522), Italian painter, engineer, and architect
People with the surname Damian Costantino (born ), American baseball player Gregory Costantino (born 1960), American politician Jean Costantino (born 1944), French rugby union player Marco Costantino (born 1991), Italian footballer Mark Americus Costantino (1920–1990), American judge Normando Costantino (born 1952), Argentine Air Force brigadier Raffaele Costantino (1907–1991), Italian footballer Romola Costantino (1930–1988), Australian pianist Rosario Costantino (footballer, born 1997), Italian football player Sharon Costantino (born 1975), Maltese footballer Steven M. Costantino (born 1957), American politician Tommaso Costantino (1885–1950), Italian fencer
See also Costantino Lake, a lake in Calabria, Italy Constantine (disambiguation) San Costantino (disambiguation)