Easton is a town in Grafton County, New Hampshire, United States.

[1] The west-flowing Wild Ammonoosuc River drains the southern part of town, while the north-flowing Ham Branch of the Gale River drains the northern portion and passes the town's village.

The highest point in Easton is 4,040 feet (1,230 m) above sea level, just west of the 4,293-foot (1,309 m) summit of the North Peak of Kinsman Mountain.

New Hampshire Route 112 crosses the southern part of the town from east to west, following the Wild Ammonoosuc River.

About 6.0% of families and 10.0% of the population were below the poverty line, including 30.6% of those under the age of eighteen and none of those sixty five or over.