| Official Name: | Solfjellsjøen |
| Other Name: | Solfjellsjyen |
| Settlement Type: | Village |
| Pushpin Map: | Nordland#Norway |
| Pushpin Label: | Solfjellsjøen |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Northern Norway |
| Subdivision Name2: | Nordland |
| Subdivision Type3: | District |
| Subdivision Name3: | Helgeland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Dønna Municipality |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Area Total Km2: | 0.31 |
| Population As Of: | 2024 |
| Population Total: | 270 |
| Population Density Km2: | 871 |
| Postal Code Type: | Post Code |
| Postal Code: | 8820 Dønna |
| Coordinates: | 66.109°N 12.4905°W |
| Elevation M: | 13 |
| Elevation Footnotes: | [1] |
Solfjellsjøen[2] is the administrative centre of Dønna Municipality in Nordland county, Norway. The village is located on the west-central part of the island of Dønna. Nordvik Church is located about north of the village. There is a ferry connection from Solfjellsjøen to the nearby island of Vandve to the west.[3]
The 0.31km2 village has a population (2024) of 270 and a population density of .[4]