Cadorago (Comasco: Cadoragh [kaduˈraːk]) is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about 30 kilometres (19 mi) northwest of Milan and about 12 kilometres (7 mi) southwest of Como.

Cadorago borders the following municipalities: Bregnano, Fino Mornasco, Guanzate, Lomazzo, Vertemate con Minoprio.