Moreto is a red Portuguese wine grape variety[1] that is planted primarily in the Alentejo.
As a varietal, the grape makes neutral wines.
[2] Moreto is also known under the synonyms Arruya, Castellao, Moreto d'Alenteijo, Moreto d'Alentejo, Moreto do Dão, Morito, Mureto do Alentejo, Tinta de Alter.
[1] Moreto is also used as a synonym for the grape varieties Lambrusca di Alessandria, Camarate Tinto, Baga and Mureto.