| Official Name: | Troitsky |
| Native Name: | Троицкий |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Bauntovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 54.5833°N 122°W[1] |
Troitsky (Russian: Троицкий) is a rural locality (a settlement) in Bauntovsky District, Republic of Buryatia, Russia. The population was 13 as of 2010.[2] There is 1 street.
Troitsky is located 47 km northwest of Bagdarin (the district's administrative centre) by road.[3]