Yumashevo (Russian: Юмашево; Bashkir: Йомаш, Yomaş) is a rural locality (a selo) and the administrative centre of Yumashevsky Selsoviet, Chekmagushevsky District, Bashkortostan, Russia.

Yumashevo is located 30 km southwest of Chekmagush (the district's administrative centre) by road.

Novosemenkino is the nearest rural locality.

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