| Official Name: | Posolskaya |
| Native Name: | Посольская |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Kabansky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 51.9667°N 126°W[1] |
Posolskaya (Russian: Посольская) is a rural locality (a settlement) in Kabansky District, Republic of Buryatia, Russia. The population was 785 as of 2010.[2] There are 11 streets.
Posolskaya is located 25 km southwest of Kabansk (the district's administrative centre) by road. Bolshaya Rechka is the nearest rural locality.[3]