Glen is a town in Montgomery County, New York, United States.

[5][6] The Town of Glen is centrally located in the county, southwest of the City of Amsterdam.

Glen was inside the original Town of Mohawk, which was subdivided out of existence.

In 1848, a larger concentrated settlement in the town along the Mohawk River incorporated as the village of Fultonville.

Other notable settlements in the Town include the hamlets of Glen, Mill Point, Auriesville, and Stone Ridge.

The New York State Thruway (Interstate 90) crosses the northern part of Glen at the south bank of the Mohawk River.