| Official Name: | Långfors |
| Pushpin Map: | Sweden Norrbotten#Sweden |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type1: | Land |
| Subdivision Name1: | Norrland |
| Subdivision Type2: | County |
| Subdivision Name2: | Norrbotten |
| Subdivision Type3: | Province |
| Subdivision Name3: | Norrbotten |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Kalix |
| Population As Of: | 2005 |
| Population Total: | < 50 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 65.9897°N 22.6206°W |
Långfors (long rapids) is a village within the Swedish municipality of Kalix. Långfors is located 10 kilometres north of Töre to the Töre River.[1]