← 1944 1943 1942 1945 in the Soviet Union → 1946 1947 1948
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 1945 in the Union of Soviet Socialist Republics.

Incumbents

• 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

Events

• January 12 – WWII: The Soviet Union begins the Vistula–Oder Offensive in Eastern Europe, against the German Army.^[1]
• January 13 – WWII: The Soviet Union begins the East Prussian Offensive, to eliminate German forces in East Prussia.
• January 17 – WWII: The Soviet Union occupies Warsaw, Poland.
• May 2 – WWII: The Soviet Union captures and occupies Berlin, Germany.
• May 9 – Joseph Stalin declares victory over Nazi Germany during a speech broadcast on radio.
• June 24 – Moscow Victory Parade
• August 9 – WWII: The Soviet Union declared war on Japan shortly after the Atomic bombing of Nagasaki.

Births

• 13 March – Anatoly Fomenko, Russian mathematician
• 31 March – Lidiya Belozyorova, Ukrainian actress (d. 2022)
• 9 August – Zurab Sakandelidze, Georgian basketball player (d. 2004)
• 3 October – Viktor Saneyev, Georgian triple jumper, Olympic champion (d. 2022)

Deaths

• 6 January – Vladimir Vernadsky, mineralogist and geochemist (b. 1863)
• 18 February – Ivan Chernyakhovsky, general (b. 1907)
• 23 February – Aleksey Nikolayevich Tolstoy, writer (b. 1883)
• 3 March – Aleksandra Samusenko, WWII tank commander (b. 1922)
• 26 March – Boris Shaposhnikov, military leader (b. 1882)
• 7 May – Vladimir Boyarsky, army officer (b. 1901)
• 10 May – Aleksandr Shcherbakov, First Secretary of the Moscow Regional Committee of the Communist Party of the Soviet Union (1938-1945) (b. 1901)
• 16 June – Nikolai Berzarin, Red Army general (b. 1904)
• 30 June – Gabriel El-Registan, poet (b. 1899)
• 12 July – Boris Galerkin, mathematician (b. 1871)