Biyek (; , Beyek) is a rural locality (a village) in Tyuryushevsky Selsoviet, Buzdyaksky District, Bashkortostan, Russia. The population was 4 as of 2010. There is 1 street.
Biyek is located 46 km north of Buzdyak (the district's administrative centre) by road. Bakcha is the nearest rural locality.