Krasnozyorsky District () is an administrative and municipal district (raion), one of the thirty in Novosibirsk Oblast, Russia. It is located in the south of the oblast. The area of the district is . Its administrative center is the urban locality (a work settlement) of Krasnozyorskoye. Population: 32,491 (2010 Census); The population of Krasnozyorskoye accounts for 29.3% of the district's total population.
Rivers Baganyonok and Karasuk are located in the district.