Karchaghbyur should not be confused with Khachaghbyur.
| Official Name: | Karchaghbyur |
| Native Name: | Կարճաղբյուր |
| Pushpin Map: | Armenia#Gegharkunik |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gegharkunik |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Vardenis |
| Population Footnotes: | [1] |
| Population As Of: | 2011 |
| Population Total: | 2,337 |
| Timezone: | AMT |
| Utc Offset: | +4 |
| Coordinates: | 40.1639°N 45.5722°W |
Karchaghbyur (Armenian: Կարճաղբյուր) is a village in the Vardenis Municipality of the Gegharkunik province of Armenia.
The village was previously known as Gedakbulag.
A walled settlement close to Karchaghbyur which was abandoned in the 1st century BCE, of the Persian or Hellenistic period, is being excavated.