| En Name: | Chamcha |
| Ru Name: | Чамча |
| Coordinates: | 60.85°N 157°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Lensky District |
| Adm Selsoviet Jur: | Orto-Nakharinsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Lensky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Orto-Nakharinsky Rural Settlement |
| Pop 2002Census: | 355 |
Chamcha (Russian: Чамча; Yakut: Чамча, Çamça) is a rural locality (a selo) in Orto-Nakharinsky Rural Okrug of Lensky District in the Sakha Republic, Russia, located 37km (23miles) from Lensk, the administrative center of the district, and 30km (20miles) from Orto-Nakhara, the administrative center of the rural okrug.[2] Its population as of the 2002 Census was 355.