Biginyayevo (; , Bigänäy) is a rural locality (a village) in Kainlykovsky Selsoviet, Burayevsky District, Bashkortostan, Russia. The population was 183 as of 2010. There are 3 streets.
Biginyayevo is located 22 km southwest of Burayevo (the district's administrative centre) by road. Kainlykovo is the nearest rural locality.