Gilmanton Ironworks, New Hampshire

Gilmanton Ironworks (alternately Gilmanton Iron Works) is an unincorporated village in the town of Gilmanton in Belknap County, New Hampshire, in the United States. It is located near the eastern boundary of the town, along a stretch of the Suncook River south of the outlet of Crystal Lake. New Hampshire Route 140 runs through the village, leading east to Alton and west to the center of Gilmanton and then Belmont.

Gilmanton Ironworks has a separate ZIP code (03837) from the rest of the town of Gilmanton.