João de Barros (Portuguese pronunciation: [ʒuˈɐ̃w̃ dɨ ˈbaʁuʃ]) (1496 – 20 October 1570), called the Portuguese Livy, is one of the first great Portuguese historians, most famous for his Décadas da Ásia ("Decades of Asia"), a history of the Portuguese in India, Asia, and southeast Africa.