Antonio Monteiro is the name of: António Monteiro (politician) (born 1944), former foreign minister of Portugal António Mascarenhas Monteiro (1944–2016), former President of Cape Verde Antônio Monteiro Dutra (born 1973), Brazilian footballer António Monteiro (canoeist) (born 1972), Portuguese sprint canoer António Isaac Monteiro, former foreign minister of Guinea-Bissau Antônio Monteiro (actor) (born 1956), Brazilian actor, director and writer Antonio Monteiro (mathematician) (1907–1980), mathematician born in Portuguese Angola