← 1942 1941 1940 1943 in the Soviet Union → 1944 1945 1946
Decades:	1920s 1930s 1940s 1950s 1960s
See also:	History of the Soviet Union List of years in the Soviet Union

The following lists events that happened during 1943 in the Union of Soviet Socialist Republics.

• General Secretary of the Communist Party of the Soviet Union – Joseph Stalin
• Chairman of the Presidium of the Supreme Soviet of the Soviet Union – Mikhail Kalinin
• Chairman of the Council of People's Commissars of the Soviet Union – Joseph Stalin

• 15–25 January – World War II: Battle of Voronezh (1943)

• 2 February – The Battle of Stalingrad officially ends with General Karl Strecker's surrender to Soviet forces.
• 10–13 February – World War II: Battle of Krasny Bor

• 12 July – World War II: Battle of Prokhorovka, part of the Battle of Kursk

• Battle of Kursk

• 30 October – World War II: The Moscow Declaration is signed by the United States, the United Kingdom and the Soviet Union during the Moscow Conference.

• 6 November – The 26th Anniversary of the October Revolution Celebration Meeting^[1]

• 1943 in fine arts of the Soviet Union
• List of Soviet films of 1943