| Official Name: | Lanjaghbyur |
| Native Name: | Լանջաղբյուր |
| Pushpin Map: | Armenia#Gegharkunik |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gegharkunik |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Gavar |
| Established Title: | Founded |
| Established Date: | 1828 |
| Population Footnotes: | [1] |
| Population As Of: | 2011 |
| Population Total: | 2,115 |
| Timezone: | AMT |
| Utc Offset: | +4 |
| Coordinates: | 40.2731°N 45.1444°W |
Lanjaghbyur (hy|Լանջաղբյուր) is a village in the Gavar Municipality of the Gegharkunik Province of Armenia.
The village was founded in 1828.