Hugh Joseph Gallen was an American automobile dealer and Democratic politician from Littleton, New Hampshire. After serving in the New Hampshire House of Representatives, he served as the 74th governor of New Hampshire from 1979 until his death in 1982.

Littleton is a town in Grafton County, New Hampshire, United States. The population was 6,005 at the 2020 census. Situated at the northern edge of the White Mountains, Littleton is bounded on the northwest by the Connecticut River.