Trubchevsky District (Russian: Трубче́вский райо́н) is an administrative and municipal district (raion), one of the twenty-seven in Bryansk Oblast, Russia. It is located in the south of the oblast. The area of the district is 1,843.2 square kilometers (711.7 sq mi). Its administrative center is the town of Trubchevsk. Population: 37,002 (2010 Census); 41,690 (2002 Census); 45,000 (1989 Census). The population of Trubchevsk accounts for 40.6% of the district's total population.