| Falningsjøen | |
| Pushpin Map: | Innlandet#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 62.6089°N 10.415°W |
| Location: | Tynset Municipality, Innlandet |
| Basin Countries: | Norway |
| Area: | 2.43km2 |
| Reference: | NVE |
Falningsjøen is a lake in Tynset Municipality in Innlandet county, Norway. The lake lies about northeast of the village of Yset. The Ya River begins at this lake. The Forollhogna National Park boundary lies at the north end of the lake.[1]
The south end of the lake has a dam to control the water for hydro-electric power.[2]