Ilyinsky () is a rural locality (a village) in Udelno-Duvaneysky Selsoviet, Blagoveshchensky District, Bashkortostan, Russia. The population was 5 as of 2010. There are 4 streets.
Ilyinsky is located on the Belaya River, 24 km northwest of Blagoveshchensk (the district's administrative centre) by road. Yablochny is the nearest rural locality.