Oneta (Bergamasque: ) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about northeast of Milan and about northeast of Bergamo. As of 31 December 2004, it had a population of 731 and an area of .
The municipality of Oneta contains the frazioni (subdivisions, mainly villages and hamlets) Scullera, Cantoni, Case Fanfani, Molino, and Case Belotti.
Oneta borders the following municipalities: Colzate, Cornalba, Gorno, Oltre il Colle, Premolo, Vertova.