| Sagil District | |
| Native Name: | Сагил сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Uvs Province |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Sagil (Mongolian: Сагил) is a sum (district) of Uvs Province in western Mongolia.
The main road connecting Ulaangom to Khandagayty, Russia goes 5.5 km east from the center of the sum.