| Official Name: | Sarnakunk |
| Native Name: | Սառնակունք |
| Pushpin Map: | Armenia#Syunik |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Syunik |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Sisian |
| Area Total Km2: | 41.72 |
| Population Footnotes: | [1] |
| Population As Of: | 2011 |
| Population Total: | 474 |
| Population Density Km2: | auto |
| Timezone: | AMT |
| Utc Offset: | +4 |
| Coordinates: | 39.6481°N 45.885°W |
| Elevation M: | 2122 |
Sarnakunk (Armenian: Սառնակունք) is a village in the Sisian Municipality of the Syunik Province in Armenia.
The village was previously known as Saybalu.
The Statistical Committee of Armenia reported its population was 519 in 2010, up from 514 at the 2001 census.