| Official Name: | Ust-Orot |
| Native Name: | Усть-Орот |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Kizhinginsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 51.9667°N 155°W[1] |
Ust-Orot (Russian: Усть-Орот) is a rural locality (a selo) in Kizhinginsky District, Republic of Buryatia, Russia. The population was 622 as of 2010.[2] There are 6 streets.
Ust-Orot is located 18 km northwest of Kizhinga (the district's administrative centre) by road. Kodunsky Stanok is the nearest rural locality.[3]