| Official Name: | Tunnsjø senter |
| Settlement Type: | Village |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Central Norway |
| Subdivision Name2: | Trøndelag |
| Subdivision Type3: | District |
| Subdivision Name3: | Namdalen |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Lierne |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 7882 Nordli |
| Coordinates: | 64.6443°N 13.7001°W |
| Elevation M: | 319 |
| Elevation Footnotes: | [1] |
Tunnsjø senter is a village located in the Nordli area of the municipality of Lierne in Trøndelag county, Norway. It is named for its location near the large lake Tunnsjøen. The village sits just west of the border with Sweden. It is the main village area in the far northern part of Lierne, and it is rather isolated from the rest of the municipality. To drive from this part of Lierne to the rest of Lierne, one would need to drive south about through Sweden and back into Norway. Tunnsjø Chapel is located in the village. The village sits very close to several large lakes: Limingen and Tunnsjøen to the north, Ingelsvatnet to the west, and Kvarnbergsvattnet to the east (in Sweden).Notable people bæstemor torhild and bæstefar ørjan.