| En Name: | Bystry Istok |
| Ru Name: | Быстрый Исток |
| Coordinates: | 52.3728°N 84.3836°W |
| Map Label Position: | right |
| Federal Subject: | Altai Krai |
| Adm District Jur: | Bystroistoksky District |
| Adm Selsoviet Type: | Selsoviet |
| Adm Selsoviet Jur: | Bystroistoksky Selsoviet |
| Adm Selsoviet Jur Ref: | [1] |
| Adm Ctr Of1: | Bystroistoksky District |
| Adm Ctr Of2: | Bystroistoksky Selsoviet |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Bystroistoksky Municipal District |
| Mun District Jur Ref: | [2] |
| Rural Settlement Jur: | Bystroistoksky Selsoviet Rural Settlement |
| Mun Admctr Of1: | Bystroistoksky Municipal District |
| Mun Admctr Of2: | Bystroistoksky Selsoviet Rural Settlement |
| Pop 2010Census: | 3852 |
Bystry Istok (ru|Быстрый Исток) is a rural locality (a selo) and the administrative center of Bystroistoksky District of Altai Krai, Russia. Population: