Bosco/Gurin (locally [ˌbosko ɡuˈrin], Walser German: Gurin / Guryn, Lombard: Bosch / Gürin) is a municipality in the district of Vallemaggia in the canton of Ticino in Switzerland . The village is near the end of the valley of Bosco Gurin, near the Italian border. Despite the overall prominence of Italian in Ticino, the small municipality of Bosco/Gurin is historically German-speaking.

Bosco/Gurin is first mentioned in 1244 as als Buscho de Quarinobis. Until 1934, it was known as Bosco-Vallemaggia, and in German as Gurin.

The village was started during Walser migration in the 13th century, with the first settlers arriving in 1244.