Ossuccio was a comune in the Province of Como in the Lombardy region in Italy. It is on the western shore of Lake Como, about 20 kilometres (12 mi) northeast of Como. On 4 February 2014, the former municipalities of Lenno, Mezzegra, Ossuccio and Tremezzo merged to form the new municipality of Tremezzina, with Lierna, Varenna, Menaggio, and Bellagio, it is part of the Central Lake Como area.