| Langanesbyggð | |
| Settlement Type: | Municipality |
| Mapsize: | 250px |
| Pushpin Map: | Iceland |
| Coordinates: | 66.199°N -15.3448°W |
| Subdivision Type: | Country |
| Subdivision Name: | Iceland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeastern Region |
| Subdivision Type2: | Constituency |
| Subdivision Name2: | Northeast Constituency |
| Leader Title1: | Manager |
| Leader Name1: | Elías Pétursson |
| Unit Pref: | Metric |
| Area Total Km2: | 1,332 |
| Population Total: | 531 |
| Population Density Km2: | 0.40 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | 680, 681, 685 |
| Code1 Name: | Municipal number |
| Code1 Info: | 6709 |
Langanesbyggð (pronounced as /is/) is a municipality in northeastern Iceland, just north of Eastern Region.[1] The main village is Þórshöfn, in the north there is the Langanes peninsula.[2] [3]