Kletnyansky District (Russian: Клетня́нский райо́н) is an administrative and municipal district (raion), one of the twenty-seven in Bryansk Oblast, Russia. It is located in the northwest of the oblast. The area of the district is 1,583 square kilometers (611 sq mi). Its administrative center is the urban locality (a work settlement) of Kletnya. Population: 20,166 (2010 Census); 22,501 (2002 Census); 23,885 (1989 Census). The population of Kletnya accounts for 66.0% of the district's total population.