| Official Name: | Bulum |
| Native Name: | Булум |
| Settlement Type: | Ulus |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Khorinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 52.2667°N 116°W[1] |
Bulum (Russian: Булум) is a rural locality (an ulus) in Khorinsky District, Republic of Buryatia, Russia. The population was 352 as of 2010.[2] There are 7 streets.
Bulum is located 28 km northeast of Khorinsk (the district's administrative centre) by road. Oninoborsk is the nearest rural locality.[3]