Bolshoy Nimnyr (Russian: Большой Нимныр; Yakut: Улахан Ньымныыр, Ulaxan Ñımnıır) is a rural locality (a selo) under the administrative jurisdiction of the Town of Aldan in Aldansky District of the Sakha Republic, Russia, located 75 kilometers (47 mi) from Aldan.

It was founded in 1929 as a service point on the road being built toward Yakutsk.

[citation needed] It was granted urban-type settlement status in 1973[citation needed] but was demoted back to a rural locality on June 16, 2005.

[2] The now abolished rural locality of Maly Nimnyr (lit.

Lesser Nimnyr), abandoned in 1997 due to the high cost of supplies and infrastructure, is located nearby.