| Vatsvatnet | |
| Other Name: | Storavatnet |
| Pushpin Map: | Rogaland#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Location: | Vindafjord, Rogaland |
| Coords: | 59.4976°N 5.7243°W |
| Outflow: | Åmselva river |
| Basin Countries: | Norway |
| Area: | 2.16km2 |
| Reference: | NVE |
Vatsvatnet is a lake in the municipality of Vindafjord in Rogaland county, Norway. The 2.16km2 lake lies south of the European route E134 highway and north of the village of Vats. The long, narrow lake is long, and has a maximum width of . The primary outflow of the lake is the river Åmselva which flows south into the Vatsfjorden.[1] [2]