| Vasslivatnet | |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 63.2114°N 9.2794°W |
| Location: | Heim, Trøndelag |
| Inflow: | Søvatnet lake |
| Outflow: | Søo river |
| Basin Countries: | Norway |
| Area: | 2.92km2 |
| Reference: | NVE |
Vasslivatnet (English: Lake Vassli)[1] is a lake in the municipality of Heim in Trøndelag county, Norway. The 2.92km2 lake lies along European route E39, about east of the village of Vinjeøra. The lake is a man-made lake along the river Søo. There is a dam on the west end that is part of a hydropower plant.[2]