| Official Name: | Rossoshino |
| Native Name: | Россошино |
| Native Name Lang: | ru |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Bauntovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 54.2833°N 131°W[1] |
Rossoshino (Russian: Россошино) is a rural locality (a settlement) in Bauntovsky District, Republic of Buryatia, Russia. The population was 249 as of 2017.[2] There are nine streets.
Rossoshino is located in the Vitim Plateau, 125km (78miles) southeast of Bagdarin (the district's administrative centre) by road, by the Amalat river. Mongoy is the nearest rural locality.[3]