Gera Lario () is a (municipality) in the Province of Como in the Italian region of Lombardy, located about north of Milan and about northeast of Como. As of 31 December 2004, it had a population of 942 and an area of 6.7 kmò.
Gera Lario borders the following municipalities: Colico, Dubino, Montemezzo, Piantedo, Sorico, Trezzone, Vercana.