Bolshiye Toktashi (Russian: Большие Токташи; Chuvash: Мăн Тукташ; English: Great Toktash) is a rural locality (a village) in Alikovsky District of the Chuvash Republic, Russia, located 11 kilometers (6.8 mi) southwest of the district's administrative center of Alikovo.
Village facilities include a club, a library, a first-aid post, a shop, and Ilya Toktash Literature Museum.
The Khirlep River flows in the vicinity of the village.
The climate in the village is moderately continental, with long cold winters and warm summers.
The Chuvash word măn means 'big', while Toktash is a proper name.