Oliveto Lario (Lecchese: ) is a comune (municipality) in the Province of Lecco in the Italian region Lombardy, located about north of Milan and about northwest of Lecco.
Oliveto Lario consists of three hamlets: Onno, Vassena and Limonta.
Oliveto Lario borders the following municipalities: Abbadia Lariana, Barni, Bellagio, Civenna, Lasnigo, Lierna, Magreglio, Mandello del Lario, Valbrona, Varenna.
Oliveto Lario is twinned with: