| East Branch Eastern River | |
| Source1 Location: | Maine |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Mouth Coordinates: | 44.1773°N -69.6698°W |
| Pushpin Map: | Maine |
| Pushpin Map Caption: | Mouth of the East Branch Eastern River in Maine |
The East Branch Eastern River is a 6.5adj=midNaNadj=mid[1] river in Maine. It is part of the Kennebec River watershed. It rises in the town of Whitefield and flows southwest to its confluence with the West Branch Eastern River at East Pittston to form the Eastern River.