The Transbaikal Military District () was a military district of first the Military of the Soviet Union and then the Armed Forces of the Russian Federation, formed on May 17, 1935 and included the Buryat Republic, Chita Oblast, and Yakutia. Chita was the headquarters of the district. It was finally disbanded on December 1, 1998 by being amalgamated with the Siberian Military District, though Chita remained the headquarters of the new amalgamated district.