Martynovsky District (Russian: Мартыновский райо́н) is an administrative[1] and municipal[4] district (raion), one of the forty-three in Rostov Oblast, Russia.

It is located in the center of the oblast.

The area of the district is 1,917 square kilometers (740 sq mi).

[2] Its administrative center is the rural locality (a sloboda) of Bolshaya Martynovka.

This Rostov Oblast location article is a stub.