| Beech 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: | Carroll |
| Subdivision Type4: | Towns |
| Subdivision Name4: | Wolfeboro, Tuftonboro, Ossipee |
| Length: | 13.1miles |
| Source1: | Upper Beech Pond |
| Source1 Location: | Wolfeboro |
| Source1 Coordinates: | 43.6531°N -71.2028°W |
| Source1 Elevation: | 983feet |
| Mouth: | Pine River |
| Mouth Location: | Ossipee |
| Mouth Coordinates: | 43.7572°N -71.1281°W |
| Mouth Elevation: | 410feet |
| Tributaries Left: | Dan Hole River |
The Beech River is a 13.1adj=midNaNadj=mid[1] river located in eastern New Hampshire in the United States. It is a tributary of the Pine River, part of the Ossipee Lake / Saco River watershed leading to the Atlantic Ocean.
The Beech River begins at the outlet of Upper Beech Pond in the northern part of Wolfeboro, New Hampshire. The river flows north for one mile and enters Lower Beech Pond in the town of Tuftonboro. Resuming its course, it heads generally northeast into Ossipee, passing through Garland Pond and reaching the Pine River near the village of Center Ossipee.