Pyotr Ivanovich Smorodin (Russian: Пётр Иванович Смородин; 20 January 1897 – 25 February 1939) was a Soviet politician who was a founding member of the Komsomol, the First Secretary of the Central Committee of the Komsomol from 1921 to 1924, a member of the NKVD troika,[1] the First Secretary of the Stalingrad Regional Committee of the Communist Party of the Soviet Union from 1937 to 1938, and the First Secretary of the Stalingrad City Committee of the Communist Party of the Soviet Union from 1938 until his execution in 1939 during the Great Purge.

He joined the Russian Social Democratic Labour Party (Bolsheviks) in May 1917 and directly participated in the October Revolution.

[3] From 1928 to 1937, he served as the Head of the Organizational Department and as the Secretary of various District Committees of the Communist Party of the Soviet Union in Leningrad.

He became a member of the NKVD troika on July 30, 1937, and actively participated in the Great Purge and Stalinist political repressions in the Leningrad and Stalingrad area.

A memorial plaque of Pyotr Smorodin can be found on the house he formerly lived in on Vasilievsky Island, Saint Petersburg.