The St. Sergius Orthodox Theological Institute in Paris, France, is a private university of higher education in Orthodox theology. Founded in 1925 by a group led by Metropolitan Eulogius Georgiyevsky, historian, theologian, and last Minister of Religious Affairs of the Russian Provisional Government, Anton Kartashev, Lev Liperovsky and Mikhail Ossorguine, with the active support of Nobel Peace Prize recipient John Mott. It is under the canonical jurisdiction of the Archdiocese of Russian Orthodox churches in Western Europe under the omophorion of the Russian Orthodox Church.

The Archdiocese of Russian Orthodox Churches in Western Europe is an archdiocese of the Russian Orthodox Church with special status, headquartered in Paris. It comprises various Russian Orthodox parishes located throughout Western Europe.