Kuchash (; , Küsäà Â) is a rural locality (a selo) in Novokilbakhtinsky Selsoviet, Kaltasinsky District, Bashkortostan, Russia. The population was 252 as of 2010. There are 13 streets.
Kuchash is located 34 km east of Kaltasy (the district's administrative centre) by road. Aktuganovo is the nearest rural locality.