| Official Name: | Proslaukha |
| Native Name: | Прослауха |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Bayevsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.3333°N 138°W[1] |
Proslaukha (Russian: Прослауха) is a rural locality (a selo) and the administrative center of Proslaukhinsky Selsoviet, Bayevsky District, Altai Krai, Russia. The population was 457 as of 2013.[2] There are 10 streets.
Proslaukha is located near the Kulunda River 17 km northeast of Bayevo (the district's administrative centre) by road. Kapustinka is the nearest rural locality.[3]