| Ingelsvatnet | |
| Other Name: | Ingjelsvatnet |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 64.6664°N 13.4254°W |
| Location: | Lierne, Trøndelag |
| Type: | natural freshwater lake |
| Basin Countries: | Norway |
| Area: | 7.16km2 |
| Islands: | several islands and islets |
| Reference: | NVE |
Ingelsvatnet or Ingjelsvatnet is a lake in the municipality of Lierne in Trøndelag county, Norway. The 7.16km2 lake lies only from the south shore of the large lake Tunnsjøen and west of the village of Tunnsjø senter. The water flows out through a series of small lakes and streams that lead into Tunnsjøen. The lake Havdalsvatnet lies south of Ingelsvatnet.[1]