| Vernagt-Stausee | |
| Location: | South Tyrol |
| Coords: | 46.7356°N 10.8361°W |
| Pushpin Map: | Italy South Tyrol |
| Basin Countries: | Italy |
| Area: | Ca. 100ha |
| Elevation: | 16890NaN0 |
Lake Vernago or Vernagt-Stausee is a reservoir in Schnalstal, South Tyrol, Italy. Its water is used to generate electricity at the Etschwerke power station in the village of Naturns. The hamlet of Vernagt is situated on the bank of the reservoir.