| Ulvsjön | |
| Pushpin Map: | Sweden Stockholm |
| Pushpin Map Alt: | Location of lake |
| Coords: | 59.2772°N 18.1631°W |
| Basin Countries: | Sweden |
Ulvsjön is a lake in Stockholm County, Södermanland, Sweden.It is a common spot for locals and tourists alike to jump off the 5 meter cliffs into the water.