Caiño Tinto (also known as Borraçal) is a red Galician wine grape variety that is also grown in Portugal's Vinho Verde wine region where it is known as Borraçal. In Spain, it is a permitted variety in the Denominación de Origens (DOs) of Rías Baixas and Ribeiro where it produces highly perfumed wines with noticeable tartness and high acidity.