Dracut is a town in Middlesex County, Massachusetts, United States. At the 2020 census, the town's population was 32,617, making it the second most populous town in Massachusetts with an open town meeting system of governance. The town covers a total area of 21.36 square miles, 0.5 square miles of which are water.

Route 38 is a state highway in the U.S. state of Massachusetts, traveling 26.5 miles (42.6 km) from Route 28 in Somerville north via Lowell to the New Hampshire state line in Dracut, where it continues as New Hampshire Route 38 in Pelham, New Hampshire. Although its southern terminus is at Route 28, some signage indicates that Route 38 continues south towards Sullivan Square in Boston.