Loco is a village and former municipality in the canton of Ticino, Switzerland.
In 2001 the municipality of Loco was merged with the neighboring municipalities Auressio and Berzona to form a new and larger municipality Isorno.[1] On 10 April 2016, Isorno, along with the municipalities of Vergeletto, Gresso, and Mosogno, were all joined to become part of the municipality of Onsernone.[2]