Lopagno is a village and former municipality in the canton of Ticino , Switzerland .

In 2001 the municipality was merged with the other, neighboring municipalities Cagiallo , Roveredo, Sala Capriasca , Tesserete and Vaglio to form a new and larger municipality Capriasca.

Lopagno is first mentioned in 1335 as Lopagnio.

Lopagno, together with Cagiallo and Campestro, formed a Vicinanza since the Middle Ages. In the 16th and 17th centuries there were several large-scale emigrations from the village. The economy of the village was based on agriculture, trade and construction activities.