Oggiono (Brianzöö: Ugiòn) is a comune (municipality) in the Province of Lecco in the Italian region Lombardy, located about 40 kilometres (25 mi) northeast of Milan and about 8 kilometres (5 mi) southwest of Lecco.

As of 31 December 2004, it had a population of 8,194 and an area of 7.9 square kilometres (3.1 sq mi).

[3] The municipality of Oggiono contains the frazioni (subdivisions, mainly villages and hamlets) Bagnolo, Imberido, Laguccio, Miravalle and Peslago.

Oggiono borders the following municipalities: Annone di Brianza, Dolzago, Ello, Galbiate, Molteno and Sirone.

It was the eponymous birthplace of the renaissance painter Marco d'Oggiono, a chief pupil of Leonardo da Vinci.