Cossa is a surname of Italian and Mozambican origin that may refer to: Albino Cossa (born 1982), Mozambican goalkeeper Alfonso Cossa (1833–1902), Italian chemist Anabela Cossa (born 1986), Mozambican basketball player Baldassare Cossa (c. 1370 – 1419), 14th-century Italian Roman Catholic bishop Celeste Cossa, 20th-century Mozambican women politician Dominic Cossa (1935–2024), American operatic lyric baritone Elisa Cossa (born 1980), Mozambican athlete Francesco del Cossa (c. 1430 – c. 1477), Italian Renaissance painter Gaetano Cossa (died 1657), 17th-century Italian Roman Catholic archbishop Giovanni Cossa (1400–1476), lieutenant general of Provence Helder Cossa (born 1969), Mozambican footballer Luigi Cossa (1831–1896), Italian economist Pietro Cossa (1830–1881), Italian dramatist Roberto Cossa (1934–2024), Argentine playwright and theatre director Sebastian Cossa (born 2002), Canadian ice hockey goaltender