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

[6] It is located in the center of the oblast.

The area of the district is 1,401 square kilometers (541 sq mi).

[3] Its administrative center is the town of Novy Oskol.

[9] The population of Novy Oskol accounts for 45.0% of the district's total population.