Tau (; , Taw) is a rural locality (a village) in Mesyagutovsky Selsoviet, Yanaulsky District, Bashkortostan, Russia. The population was 194 as of 2010. There are 4 streets.
Tau is located 42 km southeast of Yanaul (the district's administrative centre) by road. Mesyagutovo is the nearest rural locality.