| Official Name: | Kholtoson |
| Native Name: | Холтосон |
| Settlement Type: | Selo |
| 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: | 50.2833°N 121°W[1] |
Kholtoson (Russian: Холтосон; Buriat: Холтоһон, Kholtohon) is a rural locality (a selo) in Zakamensky District, Republic of Buryatia, Russia. The population was 877 as of 2010.[2] There are 15 streets.
Kholtoson is located 10 km south of Zakamensk (the district's administrative centre) by road. Khatsura is the nearest rural locality.[3]