Alexander Ivanovich Krinitsky (Russian: Алекса́ндр Ива́нович Крини́цкий; 1894, Tver – 1937) was a Soviet statesman and first secretary of the Communist Party of the Byelorussian SSR from May 1924 to December 1925.

In 1915 Krinitsky he joined the Bolsheviks and fomented propaganda and agitation among students of Moscow University, from which he was expelled.

In Belarus, A. Krinitsky, as a typical representative of the elite party, implemented the idea of strengthening the USSR as a single highly centralized union state, commanding and administratively managing the economy, and a complete monopoly on the power of the Communist Party.

At the same time, he was influenced by the strength in the 1920s local nation-oriented wing of the Communist Party of Belarussia.

From 1929 - he was secretary of the Transcaucasian Regional Committee of the UCP (b), then deputy people's commissar of the RSI USSR, also a member of the editorial board of the magazine "Bolshevik".