Gryazinsky District (Russian: Гря́зинский райо́н) is an administrative[1] and municipal[4] district (raion), one of the eighteen in Lipetsk Oblast, Russia.

It is located in the southeast of the oblast.

The area of the district is 1,360 square kilometers (530 sq mi).

[2] Its administrative center is the town of Gryazi.

[8] The population of Gryazi accounts for 56.6% of the district's total population.