Lemington is a town in Essex County, Vermont, United States.

Lemington is in northeastern Essex County along the Connecticut River, the border between Vermont and New Hampshire.

The town is bordered to the southwest by Bloomfield, at its westernmost point by Lewis, to the northwest by Averill, and to the northeast by Canaan, all in Vermont.

Vermont Route 102 runs from south to north along the eastern edge of the town, following the Connecticut.

There were no families and 1.3% of the population living below the poverty line, including no under eighteens and 5.9% of those over 64.