| Official Name: | Bolshoy Istok |
| Native Name: | Большой Исток |
| Settlement Type: | Village |
| Pushpin Map: | Russia Vologda Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Vologda Oblast |
| Subdivision Name3: | Cherepovetsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 59.1°N 66°W[1] |
Bolshoy Istok (Russian: Большой Исток) is a rural locality (a village) in Sudskoye Rural Settlement, Cherepovetsky District, Vologda Oblast, Russia. The population was 11 as of 2002.[2]
Bolshoy Istok is located west of Cherepovets (the district's administrative centre) by road. Maly Istok is the nearest rural locality.[3]