| Official Name: | Sorok |
| Native Name: | Сорок |
| Settlement Type: | Ulus |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Okinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 52.3167°N 110°W[1] |
Sorok (Russian: Сорок; Buriat: Сорог, Sorog) is a rural locality (an ulus) in Okinsky District, Republic of Buryatia, Russia. The population was 739 as of 2010.[2] There are 24 streets.
Sorok is located 41 km south of Orlik (the district's administrative centre) by road. Khurga is the nearest rural locality.[3]