Tolland is a town in Hampden County, Massachusetts, United States.

Tolland occupies the southwestern corner of Hampden County and is bordered on the north by Otis and Blandford, on the east by Granville, on the south by Hartland and Colebrook, Connecticut, and on the west by Sandisfield.

Massachusetts Route 57 crosses the center of the town, leading east to Agawam and west New Marlborough.

The West Branch of the Farmington River forms most of the western boundary of the town.

The southern end of Otis Reservoir is in the northern part of town.

Of all households 28.4% were made up of individuals, and 13.0% had someone living alone who was 65 years of age or older.

Tolland is part of the Southwick-Tolland-Granville Regional School District, along with Granville, and Southwick.