António Costa (born 1961) is a former prime minister of Portugal and president of the European Council.
António Costa may also refer to: António Bernardo da Costa Cabral, 1st Marquis of Tomar (1803–1889), Portuguese statesman Antonio Costa (painter) (1847–1915), Italian painter Antonio Maria Costa (born 1941), Italian economist António Costa Silva (born 1952), Portuguese professor of engineering, businessman and politician António Costa Pinto (born 1953), Portuguese political scientist António Félix da Costa (born 1991), Portuguese racing driver António Luís Costa (born 1953), Portuguese serial killer Luis Antonio Costa (born 1953), Argentine field hockey player Marcos Antônio Costa "Preto" (born 1978), Brazilian footballer Yuri Antonio Costa da Silva (born 1996), Brazilian footballer Antonio Costa (geophysicist), Italian geophysicist and volcanologist