Kolyshleysky District (Russian: Колышле́йский райо́н) is an administrative[1] and municipal[5] district (raion), one of the twenty-seven in Penza Oblast, Russia.
It is in the south of the oblast.
The area of the district is 1,685 square kilometers (651 sq mi).
[2] Its administrative center is the urban locality (a work settlement) of Kolyshley.
[8] The population of Kolyshley accounts for 31.7% of the district's total population.