Russian Orthodox clergy who spied for the Soviet Union

15th Patriarch of Moscow and all the Rus', the primate of the Russian Orthodox Church (1929–2008)

The Patriarch of Kyiv and All Rus’-Ukraine, the head of the Ukrainian Orthodox Church — Kyiv Patriarchate (1929-2026)

Patriarch of Moscow and all Rus' (1877–1970)

bishop (1919-1999)