| Vatnvatnet | |
| Pushpin Map: | Nordland#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 67.3348°N 14.7847°W |
| Location: | Bodø, Nordland |
| Basin Countries: | Norway |
| Area: | 4.71km2 |
| Reference: | NVE |
Vatnvatnet (literal translation water water) is a lake that lies in the municipality of Bodø in Nordland county, Norway. The 4.71km2 lake lies about north of the village of Løding and just south of the Sjunkhatten National Park. The lake Heggmovatnet flows out into this lake.[1]