Olovyanninsky District (Russian: Оловяннинский райо́н) is an administrative[1] and municipal[6] district (raion), one of the thirty-one in Zabaykalsky Krai, Russia.

It is located in the south of the krai, and borders with Baleysky District in the north, Borzinsky District in the south, and with Mogoytuysky District in the west.

The area of the district is 6,300 square kilometers (2,400 sq mi).

[2] Its administrative center is the urban-type settlement) of Olovyannaya.

[3] The district was established on January 4, 1926.