Novoorsky District (Russian: Новоо́рский райо́н) is an administrative[1] and municipal[5] district (raion), one of the thirty-five in Orenburg Oblast, Russia.

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

[3] Its administrative center is the rural locality (a settlement) of Novoorsk.

[2] Population: 29,428 (2010 Census);[4] 33,085 (2002 Census);[7] 34,231 (1989 Soviet census).

[8] The population of Novoorsk accounts for 38.4% of the district's total population.