| Official Name: | Domna |
| Native Name: | Домна |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Yeravninsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 52.55°N 153°W[1] |
Domna (Russian: Домна; Buriat: Домно, Domno) is a rural locality (a selo) in Yeravninsky District, Republic of Buryatia, Russia. The population was 160 as of 2010.[2] There are 11 streets.
Domna is located 13 km northeast of Sosnovo-Ozerskoye (the district's administrative centre) by road. Sosnovo-Ozerskoye is the nearest rural locality.[3]