Magadino (Lombard: Magadign) 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.

Magadino is first mentioned in 1254 as de Magadino. It was also previously known, in German, as Megadin though this name is no longer used.

During the Late Middle Ages the village was mentioned when certain feudal rights were transferred from the Bishop of Como to the Capitanei of Locarno transferred. Until 1342, these rights included the right to collect tolls on goods traveling through the area.