| Official Name: | Bayangol |
| Native Name: | Далахай |
| Settlement Type: | Ulus |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Zakamensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 50.8833°N 155°W[1] |
Dalakhay (Russian: Далахай) is a rural locality (an ulus) in Zakamensky District, Republic of Buryatia, Russia. The population was 427 as of 2010.[2] There are 5 streets.
Dalakhay is located 102 km north of Zakamensk (the district's administrative centre) by road. Sanaga is the nearest rural locality.[3]