| Trollvatnet | |
| Caption Map: | Interactive map of the lake |
| Coordinates: | 67.6326°N 15.3953°W |
| Location: | Sørfold Municipality, Nordland |
| Basin Countries: | Norway |
| Area: | 3.88km2 |
| Reference: | NVE[1] |
Trollvatnet[2] is a lake that lies in Sørfold Municipality in Nordland county, Norway. The 3.88km2 lake is located northeast of the Sagfjorden, about west of the village of Mørsvikbotn.[3]