| Sanna | |
| Location: | Nordland, Norway |
| Mapframe-Zoom: | 9 |
| Coordinates: | 66.5057°N 12.0469°W |
| Area Km2: | 3 |
| Elevation M: | 338 |
| Highest Mount: | Trænstaven |
| Country: | Norway |
| Country Admin Divisions Title: | County |
| Country Admin Divisions: | Nordland |
| Country Admin Divisions Title 1: | Municipality |
| Country Admin Divisions 1: | Træna Municipality |
| Population: | 3 |
| Population As Of: | 2018 |
Sanna[1] is an island and village area in Træna Municipality in Nordland county, Norway. The 3km2 island is the largest island in Træna Municipality. The island is located less than west of the main island of Husøya. The island has five characteristic mountaintops, the highest is the 338m (1,109feet) tall Trænstaven. The Traena Music Festival is held on this island each year.[2] The island has 3 permanent residents (in 2018).