Novopetrovka () is a rural locality (a village) in Kamyshlinsky Selsoviet, Karmaskalinsky District, Bashkortostan, Russia. The population was 31 as of 2010. There is 1 street.
Novopetrovka is located 26 km southeast of Karmaskaly (the district's administrative centre) by road. Tazlarovo is the nearest rural locality.