Sosnovka () is a rural locality (a selo) and the administrative centre of Sosnovsky Selsoviet, Beloretsky District, Bashkortostan, Russia. The population was 723 as of 2010. There are 18 streets.
Sosnovka is located 19 km southwest of Beloretsk (the district's administrative centre) by road. Arsky Kamen is the nearest rural locality.