| Official Name: | Chashmasor |
| Pushpin Map: | Tajikistan |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Tajikistan |
| Subdivision Type: | Country |
| Subdivision Name: |  Tajikistan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Sughd Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Shahriston District |
| Population As Of: | 2000 |
| Coordinates: | 39.8222°N 68.875°W |
Chashmasor (Tajik: Чашмасор) is a village in Sughd Region, northern Tajikistan. It is part of the jamoat Shahriston in Shahriston District.[1]