Colzate (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 1,638 and an area of .
The municipality of Colzate contains the frazioni (subdivisions, mainly villages and hamlets) Bondo di Colzate and Piani di Rezzo.
Colzate borders the following municipalities: Casnigo, Gorno, Oneta, Vertova.