Rostovsky District (Russian: Росто́вский райо́н) is an administrative[1] and municipal[7] district (raion), one of the seventeen in Yaroslavl Oblast, Russia.

The area of the district is 2,081.82 square kilometers (803.80 sq mi).

[3] Within the framework of administrative divisions, Rostovsky District is one of the seventeen in the oblast.

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

[1] As a municipal division, the district is incorporated as Rostovsky Municipal District, with the town of oblast significance of Rostov being incorporated within it as Rostov Urban Settlement.