Starooskolsky District (Russian: Старооско́льский райо́н) is an administrative district (raion), one of the twenty-one in Belgorod Oblast, Russia.

The area of the district is 1,694 square kilometers (654 sq mi).

[9] Within the framework of administrative divisions, Starooskolsky District is one of the twenty-one in the oblast.

[1] The city of Stary Oskol serves as its administrative center,[2] 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 territory of the district and the territory of the city of oblast significance of Stary Oskol are incorporated together as Starooskolsky Urban Okrug.