| Official Name: | Zasun |
| 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: | Ayni District |
| Population As Of: | 2000 |
| Coordinates: | 39.3947°N 68.6264°W |
| Blank1 Info Sec2: |
Zasun (Russian and Tajik: Зосун Zosun) is a village in Sughd Region, northern Tajikistan.[2] It is part of the jamoat Ayni in the Ayni District, and located east of the village Ayni.