| Little River | |
| Pushpin Map: | New Hampshire#USA |
| Pushpin Map Size: | 250 px |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New Hampshire |
| Subdivision Type3: | Counties |
| Subdivision Name3: | Strafford, Belknap |
| Subdivision Type4: | Towns |
| Subdivision Name4: | Strafford, Barnstead |
| Length: | 4.9miles |
| Source1: | Blue Hills Range |
| Source1 Location: | Strafford |
| Source1 Coordinates: | 43.2972°N -71.1692°W |
| Source1 Elevation: | 900feet |
| Mouth: | Big River |
| Mouth Location: | Barnstead |
| Mouth Coordinates: | 43.3297°N -71.2331°W |
| Mouth Elevation: | 499feet |
The Little River is a 4.9adj=midNaNadj=mid[1] river located in central New Hampshire in the United States. Its outflow travels via the Big River, Suncook River, and Merrimack River to the Gulf of Maine, an arm of the Atlantic Ocean.
The Little River begins on the west side of the Blue Hills Range in Strafford, New Hampshire. It flows northwest, gaining the outlet of the Willey Ponds, and joins the Big River just north of the village of South Barnstead.