| Official Name: | Tapkhar |
| Native Name: | Тапхар |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Ivolginsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 51.7167°N 129°W[1] |
Tapkhar (Russian: Тапхар; Buriat: Тобхор, Tobkhor) is a rural locality (a settlement) in Ivolginsky District, Republic of Buryatia, Russia. The population was 566 as of 2010.[2] There is 1 street.
Tapkhar is located 10 km southeast of Ivolginsk (the district's administrative centre) by road. Ulan-Ivolginsky is the nearest rural locality.[3]