Boris Vsevolodovich Ignatovich (Russian: Борис Всеволодович Игнатович; 3 April [O.S. 22 March] 1899 Slutsk, Minsk Governorate, Russian Empire - 4 April 1976, Moscow, USSR) was a Soviet photographer, photojournalist, and cinematographer. He was a pioneer of Soviet avant-garde photography in the 1920s and 1930s, one of the first photojournalists in the USSR, and one of the most significant artists of the Soviet era.