| Official Name: | Poroshino |
| Native Name: | Порошино |
| Settlement Type: | Village |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Kytmanovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.2167°N 93°W[1] |
Poroshino (Russian: Порошино) is a rural locality (a selo) and the administrative center of Poroshenskoye Rural Settlement of Kytmanovsky District, Altai Krai, Russia. The population was 454 as of 2016.[2] There are 6 streets.
Poroshino is located 42 km southwest of Kytmanovo (the district's administrative centre) by road. Cherkasovo is the nearest rural locality.[3]