Chacabuco Province (Spanish: Provincia de Chacabuco) is one of six provinces of the Santiago Metropolitan Region in central Chile.

The provincial capital, Colina, lies approximately 27 km (17 mi) north of Santiago.

As a province, Chacabuco is a second-level administrative division of Chile, governed by a provincial delegate who is appointed by the president.

[4] Current delegate is Giordano Delpin, who was appointed by Gabriel Boric.

The province is composed of three communes (Spanish: comunas), each governed by a municipality consisting of an alcalde and municipal council: The province spans an area of 2,076.1 square kilometres (2,076 km2), the third largest in the Santiago Metropolitan Region.