| Official Name: | Langvassbukta |
| Settlement Type: | Village |
| Pushpin Map: | Troms#Norway |
| Pushpin Label: | Langvassbukta |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Northern Norway |
| Subdivision Name2: | Troms |
| Subdivision Type3: | District |
| Subdivision Name3: | Central Hålogaland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Kvæfjord Municipality |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 8409 Gullesfjord |
| Coordinates: | 68.6178°N 15.7603°W |
| Elevation M: | 26 |
| Elevation Footnotes: | [1] |
Langvassbukta is a village in Kvæfjord Municipality in Troms county, Norway. The village is located on the west coast of the Gullesfjorden on the large island of Hinnøya. It is located about southwest of the town of Sortland. Langvassbukt Chapel is located in the village.