| En Name: | Kyachchi |
| Ru Name: | Кяччи |
| Coordinates: | 60.35°N 125°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Olyokminsky District |
| Adm Selsoviet Jur: | Kyachchinsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Kyachchinsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Olyokminsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Kyachchinsky Rural Settlement |
| Mun Admctr Of: | Kyachchinsky Rural Settlement |
| Pop 2002Census: | 345 |
Kyachchi (Russian: Кяччи; Yakut: Кээччи, Keeççi) is a rural locality (a selo) and the administrative center of Kyachchinsky Rural Okrug of Olyokminsky District in the Sakha Republic, Russia, located 25km (16miles) from Olyokminsk, the administrative center of the district.[2] Its population as of the 2002 Census was 345.