Antunes is a surname in the Portuguese language, of patronymic origin meaning "son of Anthony (António)".
Notable people with the surname include:
Anderson Andrade Antunes (born 1981), Brazilian footballerAntónio Lobo Antunes (born 1942), Portuguese writer and psychisatristArnaldo Antunes (born 1960), Brazilian writer and composerArthur Antunes Coimbra (born 1953), Brazilian footballer and coachCármen Lúcia Antunes Rocha (born 1954), Chief Justice of the Supreme Federal Court of BrazilErnesto Melo Antunes (1933–1999), Portuguese politician and generalHélder F. Antunes (born 1963), Portuguese-American Silicon Valley executive and former racecar driverJoão Antunes (1642–1712), Portuguese Baroque architectJoão do Canto e Castro Antunes (1862–1934), President of the Portuguese Republic 1918–1919Joaquim José Antunes (1731–1811), Portuguese harpsichord makerJorge Antunes (composer) (born 1942), Brazilian composerMacaris Antunes do Livramento (born 1960), Brazilian boxerManuel Lobo Antunes (born 1958), current Portuguese Ambassador to the United KingdomManuel Antunes Frasquilho (died 2015), Portuguese executive and politicianMiguel Antunes Frasquilho (born 1967), Portuguese President of AICEP Portugal Global and politicianMiguel Telles Antunes (born 1937), Portuguese paleontologist and academicSandy Antunes (born 1967), American astronomer and writerTalita Antunes (born 1982), Brazilian beach volleyball playerVitorino Antunes (born 1987), Portuguese footballer