| Official Name: | Tsghuk |
| Native Name: | Ծղուկ |
| Pushpin Map: | Armenia#Syunik |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Syunik |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Sisian |
| Area Total Km2: | 50.98 |
| Population Footnotes: | [1] |
| Population As Of: | 2011 |
| Population Total: | 422 |
| Population Density Km2: | auto |
| Timezone: | AMT |
| Utc Offset: | +4 |
| Coordinates: | 39.6678°N 45.855°W |
Tsghuk (Armenian: [[wikt:Ծղուկ|Ծղուկ]]) is a village in the Sisian Municipiality of the Syunik Province in Armenia.
Tsghuk was formerly named Haykavan and Borisovka (Russian). It lies on the west side of the Vorotan River, 120 km northwest of the regional center, at an altitude of 2120-2160 m above sea level. The population is engaged in animal husbandry and farming. 1 km northeast of the village at "Kaler" are ruins of old settlements. Due to the construction of the Spandaryan reservoir, the village was moved 1.5 km to the northeast
The Statistical Committee of Armenia reported its population as 451 in 2010, up from 427 at the 2001 census.