Clear Stream is an 11.8-mile-long (19.0 km)[1] river in northern New Hampshire in the United States.

Clear Stream flows out of Dixville Notch, a dramatic gap through the mountains of northern New Hampshire.

The stream flows southeast through the townships of Dixville and Millsfield before joining the Androscoggin River in the town of Errol.

New Hampshire Route 26 follows the stream for its entire length.

This article related to a river in New Hampshire is a stub.