| Storgrønningen | |
| Caption Map: | Interactive map of the lake |
| Coordinates: | 64.6324°N 12.1182°W |
| Location: | Overhalla Municipality and Høylandet Municipality, Trøndelag |
| Outflow: | Flyåa |
| Basin Countries: | Norway |
| Area: | 5.45km2 |
| Reference: | NVE[1] |
Storgrønningen[2] is a lake in Høylandet Municipality in Trøndelag county, Norway. The extreme southern tip of the lake crosses over the border into Overhalla Municipality. The lake lies about west of the village of Høylandet and about southeast of the mountain Grønningfjella.[3]