Yermishinsky District (Russian: Ермиши́нский райо́н) is an administrative[1] and municipal[5] district (raion), one of the twenty-five in Ryazan Oblast, Russia.

It is located in the northeast of the oblast.

The area of the district is 1,342 square kilometers (518 sq mi).

[citation needed] Its administrative center is the urban locality (a work settlement) of Yermish.

[8] The population of Yermish accounts for 48.9% of the district's total population.