Granville State Forest is a state forest preservation and recreational area located in Granville, Massachusetts. The state forest is managed by the Massachusetts department of Conservation and Recreation.

The Granville State Forest is located in the towns of Granville and Tolland on the southern borders of the state of Massachusetts. It is adjacent to the Tunxis State Forest in Connecticut and as such creates a continuous natural area of remote forest cover. The Granville State Forest is composed of 2,426 acres of publicly owned forest land and is protected as part of the Massachusetts State Parks system.

Recreational activities in the state forest available to park visitors include many popular outdoor recreation activities. Common recreational activities in the park include nature viewing, bird watching, hiking, mountain biking, camping, and picnicking.