| Funnsjøen | |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 63.5253°N 11.7118°W |
| Location: | Meråker, Trøndelag |
| Outflow: | Funna |
| Catchment: | Stjørdalselva |
| Basin Countries: | Norway |
| Area: | 7.99km2 |
| Volume: | 64000000m2 |
| Reference: | NVE |
Funnsjøen is a lake in the municipality of Meråker in Trøndelag county, Norway. The 8km2 lake flows into the Funna river, a part of the Stjørdalselva river system. The lake has a hydropower dam at the southern end of the lake. There is about 64000000m2 of water stored behind the dame in the lake.[1]
The lake is located about north of the municipal center of Midtbygda. The lake Feren lies north of the lake and the lake Fjergen lies southeast of the lake.