Cherdaklinsky District (Russian: Чердакли́нский райо́н) is an administrative[1] and municipal[5] district (raion), one of the twenty-one in Ulyanovsk Oblast, Russia.

It is located in the northeast of the oblast.

The area of the district is 2,442.3 square kilometers (943.0 sq mi).

[2] Its administrative center is the urban locality (a work settlement) of Cherdakly.

[8] The population of Cherdakly accounts for 27.6% of the district's total population.