Vira is a former municipality in the district of Locarno in the canton of Ticino in Switzerland.

On 25 April 2010, the former municipalities of Caviano , Contone , Gerra Gambarogno , Indemini , Magadino , Piazzogna , San Nazzaro, Sant'Abbondio and Vira Gambarogno merged in the new municipality of Gambarogno.

Vira (Gambarogno) has an area, as of 1997, of 11.99 square kilometers (4.63 sq mi). Of this area, 0.53 km2 (0.20 sq mi) or 4.4% is used for agricultural purposes, while 10.39 km2 (4.01 sq mi) or 86.7% is forested. Of the rest of the land, 0.56 km2 (0.22 sq mi) or 4.7% is settled (buildings or roads), 0.14 km2 (35 acres) or 1.2% is either rivers or lakes and 0.51 km2 (0.20 sq mi) or 4.3% is unproductive land.

Of the built up area, housing and buildings made up 3.0% and transportation infrastructure made up 1.7%.