Boris Pavlovich Pozern (; 7 July 1882 – 25 February 1939) was a Soviet politician, party official and member of the Troika of the NKVD of the Soviet Union.

Pozerb was born in Nizhny Novgorod to a noble family of a doctor of German origin. He became a member of the Russian Social Democratic Labour Party in 1903. After the February Revolution, Pozern became the head of the Minsk Soviet.

A member of the Russian Constituent Assembly of 1918. He was a member of the Central Committee of the 17th Congress of the All-Union Communist Party (Bolsheviks). During the Great Purge, he was arrested on 9 July 1938 and later executed by firing squad in Moscow. After the death of Joseph Stalin, he was rehabilitated in 1957.

Works Оппозиция на XV партконференции (Opposition at the 15th Party Conference) Leningrad, 1925: Pozern et al.: Коммунистическая партия и крестьянство (The Communist Party and the Peasantry) Moscow and Leningrad, 1928: Как оппозиция обороняет СССР (How Opposition Defends the U.S.S.R.) Leningrad, 1931: Новые задачи и новые условия работы инженерно-технических работников (New Tasks and New Working Conditions for Engineers and Technicians)

Bibliography Anatoly Rybakov: Jahre des Terrors. Deutsch von Juri Elperin. 440 pages. Deutscher Taschenbuch Verlag (dtv 11590), Munich, 1992, Handbook of the History of the Communist Party and Soviet Union 1898 - 1991 (in Russian) (in Russian) http://www.az-libr.ru/index.htm?Persons&FE7/c188733b/index (in Russian)

External links WorldCat Entry Entry on hrono.ru Entry in the 1959 Great Soviet Encyclopedia, provided by dic.academic.ru Entry in az-libr.ru Entry in the Russian-European Encyclopedia