| Official Name: | Gndevaz |
| Native Name: | Գնդեվազ |
| Pushpin Map: | Armenia#Vayots Dzor |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Vayots Dzor |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Jermuk |
| Population Footnotes: | [1] |
| Population As Of: | 2011 |
| Population Total: | 829 |
| Utc Offset: | +4 |
| Coordinates: | 39.7592°N 45.6181°W |
| Elevation M: | 1750 |
Gndevaz (hy|Գնդեվազ) is a village in the Jermuk Municipality of the Vayots Dzor Province of Armenia. It is home to the 10th century Gndevank Monastery.