Yandek (; , Yändek) is a rural locality (a village) in Sermenevsky Selsoviet, Beloretsky District, Bashkortostan, Russia. The population was 23 as of 2010. There is 1 street.
Yandek is located 28 km southwest of Beloretsk (the district's administrative centre) by road. Sermenyovo is the nearest rural locality.