| Official Name: | Oyor |
| Native Name: | Оёр |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Dzhidinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 50.5333°N 162°W[1] |
Oyor (Russian: Оёр; Buriat: Оёор, Oyoor) is a rural locality (a selo) in Dzhidinsky District, Republic of Buryatia, Russia. The population was 771 as of 2010.[2] There are 19 streets.
Oyor is located 25 km southwest of Petropavlovka (the district's administrative centre) by road. Stary Ukyrchelon is the nearest rural locality.[3]