Bayan-Uul (Mongolian: Баян-Уул) is a sum (district) of Govi-Altai Province in western Mongolia.
| Sums of Govi-Altai | |
|---|---|
| Altai | Bayan-Uul | Biger | Bugat | Chandmani | Darvi | Delger | Erdene | Khaliun | Khökh morit | Jargalan | Sharga | Taishir | Tögrög | Tonkhil | Tseel | Tsogt | Yesönbulag |


