Joao da Nova, Portuguese explorer (b. 1460)
João da Nova (Galician: Xoán de Novoa, Joam de Nôvoa; Spanish: Juan de Nova; Portuguese pronunciation: [ʒuˈɐ̃w̃ dɐ ˈnɔvɐ]; born c. 1460 in Maceda, Ourense, Galicia; died July 16, 1509 in Kochi, India) was a Portuguese-Galician explorer of the Atlantic and Indian Oceans at the service of Portugal. He is credited as the discoverer of Ascension and Saint Helena islands.

The Juan de Nova Island, in the Mozambique Channel, is named after him. The Farquhar atoll (in the Seychelles) was, for a long time, known as the João da Nova islands. It is sometimes thought that the Agaléga islands (in the Indian Ocean) was also named after him (although it is almost certain he never visited them).