Kugarchino (; , Kügärsen) is a rural locality (a village) in Bolshekachakovsky Selsoviet, Kaltasinsky District, Bashkortostan, Russia. The population was 178 as of 2010. There are 7 streets.
Kugarchino is located southeast of Kaltasy (the district's administrative centre) by road. Babayevo is the nearest rural locality.