Ruzsky District (Russian: Ру́зский райо́н) is an administrative[1] and municipal[3] district (raion), one of the thirty-six in Moscow Oblast, Russia.

It is located in the west of the oblast.

The area of the district is 1,567.56 square kilometers (605.24 sq mi).

[3] Its administrative center is the town of Ruza.

[9] The population of Ruza accounts for 21.9% of the district's total population.