Tuymazinsky District (Russian: Туймази́нский райо́н; Bashkir and Tatar: Туймазы районы, Tuymazı rayonı) is an administrative[1] and municipal[8] district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia.

The area of the district is 2,403 square kilometers (928 sq mi).

[2] Within the framework of administrative divisions, Tuymazinsky District is one of the fifty-four in the Republic of Bashkortostan.

[7] As a municipal division, the district is incorporated as Tuymazinsky Municipal District, with the town of republic significance of Tuymazy being incorporated within it as Tuymazy Urban Settlement.

[8] The town of Tuymazy serves as the administrative center of the municipal district as well.