| Bayan District | |
| Native Name: | Баян сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Töv Province |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
Bayan (Mongolian: Баян, also Maanit, Maan't, Мааньт, Rich) is a sum of Töv Province in Mongolia.[1] [2]