New Milford is a town in Litchfield County, Connecticut, United States. The town is in western Connecticut, 14 miles (23 km) north of Danbury, on the banks of the Housatonic River. It is the largest town in the state in terms of land area at nearly 62 square miles (161 km2). The town center is listed as a census-designated place (CDP). The northern portion of the town is part of the region of northwestern Connecticut, and the far eastern portions are part of the Litchfield Hills region.

It is located roughly 50 miles (80 km) west of Hartford, 65 miles (105 km) southwest of Springfield, Massachusetts, 85 miles (137 km) southeast of Albany, New York, and 77 miles (124 km) northeast of New York City.

The indigenous Wawyachtonoc, lived in the area of modern New Milford both before and during the colonial era. They had a farming and fishing culture, cultivating corn, squash, beans and tobacco, and fishing in freshwater areas. They may have also travelled to the coast to fish during the summer months. They spoke an Algonquian language.