| Official Name: | Tsater |
| Native Name: | Ծաթեր |
| Pushpin Map: | Armenia |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Marz (Province) |
| Subdivision Name1: | Lori Province |
| Population As Of: | 2001 |
| Population Total: | 489 |
| Timezone: | |
| Utc Offset: | +4 |
| Timezone Dst: | |
| Utc Offset Dst: | +5 |
| Coordinates: | 40.9606°N 44.6294°W |
| Elevation M: | 1200 |
Tsater (Armenian: Ծաթեր) is a village in the Lori Province of Armenia. There is a small S. Astvatsatsin church on the southern edge of the village with a bell tower which was used as an electrical substation in Soviet times. About 3/4 kilometer north of the village, abutting the cliff is a small Chgnavor chapel of the 11-12th century.