Kazanka () is a rural locality (a village) in Pokrovsky Selsoviet, Blagoveshchensky District, Bashkortostan, Russia. The population was 40 as of 2010. There is 1 street.
Kazanka is located 47 km northeast of Blagoveshchensk (the district's administrative centre) by road. Staronadezhdino is the nearest rural locality.