| Fleina | |
| Location: | Nordland, Norway |
| Mapframe-Zoom: | 9 |
| Coordinates: | 67.1128°N 13.8773°W |
| Area Km2: | 8 |
| Elevation M: | 225 |
| Highest Mount: | Troll |
| Country: | Norway |
| Country Admin Divisions Title: | County |
| Country Admin Divisions: | Nordland |
| Country Admin Divisions Title 1: | Municipality |
| Country Admin Divisions 1: | Gildeskål Municipality |
Fleina[1] is an island in Gildeskål Municipality in Nordland county, Norway.[2] The 8km2 island lies in the Fleinværfjorden, between the islands of Fugløya and Sør-Arnøya. The island of Sandhornøya lies to the east and the mainland lies to the southeast.