| Taishir District | |
| Native Name: | Тайшир сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Govi-Altai Province |
| Area Total Km2: | 3,913 |
| Timezone: | UTC+8 |
| Utc Offset: | +8 |
Taishir (Mongolian: Тайшир) is a sum (district) of Govi-Altai Province in western Mongolia. In 2009, its population was 1,536.[1]