Bianchetta Trevigiana is a white Italian wine grape variety that is grown in the Trentino-Alto Adige/Südtirol and Veneto wine regions of northeast Italy. Here the grape is rarely used a varietal but, instead, is a permitted blending grape adding acidity to the wines of several Denominazione di Origine Controllata (DOC) zones including the sparkling wine Prosecco and has also been used for vermouth production. The name Trevigiana is derived from the province of Treviso where the grape is believed to have originated from.