António de Abreu () was a 16th-century Portuguese navigator and naval officer. He participated under the command of Afonso de Albuquerque in the conquest of Ormus in 1507 and Malacca in 1511, where he got injured. Departing from Malacca in November 1511 with four ships, in an exploratory voyage to the 'Spice Islands' of Maluku, he led the first European expedition to reach Timor and the Banda Islands, in Indonesia, in 1512.