| Middle Branch Pleasant River | |
| Mouth Coordinates: | 45.3831°N -69.058°W |
| Subdivision Type1: | Country |
The Middle Branch Pleasant River is a tributary of the Piscataquis River in Piscataquis County, Maine. From the outflow of Middle Branch Pond (45.4908°N -69.0906°W) in Maine Township 5, Range 9, WELS, the river runs [1] southeast to its confluence with the East Branch in Brownville. The East Branch runs about further south, joining with the West Branch to form the main stem of the Pleasant River.