Nizhny Begenyash (; , Tübänge Bägänäà Â) is a rural locality (a village) in Semyonkinsky Selsoviet, Aurgazinsky District, Bashkortostan, Russia. The population was 235 as of 2010. There are 2 streets.
Nizhny Begenyash is located 37 km southwest of Tolbazy (the district's administrative centre) by road. Kuzminovka is the nearest rural locality.