Långön
| Geography | |
|---|---|
| Coordinates | 65°31′22″N 22°35′03″E / 65.522914°N 22.584232°E |
| Adjacent to | Bay of Bothnia |
| Area | 572 ha (1,410 acres) |
| Administration | |
| Province | Norrbotten |
| Municipality | Luleå |
Långön is an island in the northwest of the Swedish sector of the Bay of Bothnia, in the Luleå archipelago.