Little Squam Lake is a 408-acre (1.65 km²) water body located in Grafton County in the Lakes Region of central New Hampshire, United States, in the towns of Holderness and Ashland. The lake connects upstream via a short channel to Squam Lake in Holderness. The two lakes are maintained at a common water level by a dam located one mile downstream from the outlet of Little Squam Lake, on the Squam River, a tributary of the Pemigewasset River.

Little Squam Lake
Little Squam from US 3 in Ashland, NH, 2018
Little Squam Lake
Location	Grafton County, New Hampshire
Coordinates	43°43′20″N 71°35′59″W / 43.72222°N 71.59972°W / 43.72222; -71.59972
Primary inflows	Squam Lake
Primary outflows	Squam River
Basin countries	United States
Max. length	2.0 mi (3.2 km)
Max. width	0.5 mi (0.80 km)
Surface area	408 acres (1.65 km2)
Surface elevation	570 ft (170 m)
Settlements	Holderness; Ashland