Cherlaksky District (; , ) is an administrative and municipal district (raion), one of the thirty-two in Omsk Oblast, Russia. It is in the southeast of the oblast. The area of the district is . Its administrative center is the urban locality (a work settlement) of Cherlak. Population: 30,344 (2010 Census); The population of the administrative center accounts for 36.2% of the district's total population.