| Official Name: | Bolshaya Rechka |
| Native Name: | Большая Речка |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Kabansky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 51.9667°N 125°W[1] |
Bolshaya Rechka (Russian: Большая Речка) is a rural locality (a selo) in Kabansky District, Republic of Buryatia, Russia. The population was 494 as of 2010.[2] There are 4 streets.
Bolshaya Rechka is located 31km (19miles) southwest of Kabansk (the district's administrative centre) by road. Posolskaya is the nearest rural locality.[3]