Yefremkino (Russian: Ефремкино) is a rural locality (a selo) and the administrative centre of Yefremkinsky Selsoviet, Karmaskalinsky District, Bashkortostan, Russia.

Yefremkino is located 17 km south of Karmaskaly (the district's administrative centre) by road.

Dmitriyevka is the nearest rural locality.

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