Marksovsky District (Russian: Ма́рксовский райо́н) is an administrative[1] and municipal[5] district (raion), one of the thirty-eight in Saratov Oblast, Russia.

The area of the district is 2,900 square kilometers (1,100 sq mi).

[10] Within the framework of administrative divisions, Marksovsky District is one of the thirty-eight in the oblast.

[1] The town of Marks serves as its administrative center,[2] despite being incorporated separately as a town under oblast jurisdiction—an administrative unit with the status equal to that of the districts.

[8] As a municipal division, the district is incorporated as Marksovsky Municipal District,[5] with Marks Town Under Oblast Jurisdiction being incorporated within it as Marks Urban Settlement.