- Religion Family Trees
- Religious Groups
- Compare Members
- Data Sources
Eastern Liturgical (Orthodox)
- Albanian Orthodox Diocese of America
- American Carpatho-Russian Orthodox Greek Catholic Church
- Antiochian Orthodox Christian Archdiocese of North America
- Apostolic Catholic Assyrian Church of the East, North American Diocese
- Apostolic Orthodox Catholic Church of North America
- Armenian Apostolic Church of America
- Armenian Apostolic Church, Diocese of America
- Coptic Orthodox Church
- Greek Orthodox Archdiocese of America
- Holy Eastern Orthodox Catholic and Apostolic Church in North America
- Malankara Orthodox Syrian Church, Diocese of America
- Orthodox Church in America, The
- Patriarchal Parishes of the Russian Orthodox Church in the U.S.A.
- Romanian Orthodox Episcopate of America
- Russian Orthodox Church Outside of Russia, The
- Serbian Eastern Orthodox Church for the U.S.A. and Canada
- Syriac-Greek Antiochian Orthodox Catholic Church
- Syrian Orthodox Church of Antioch
- True Orthodox Church of Greece (Synod of Metropolitan Cyprian), American Exarchate
- Ukrainian Orthodox Church of the U.S.A.
Inactive Denominations (Denomination is defunct, has been renamed or merged with another denomination, or has not reported data since 1980)
- African Orthodox Church
- Albanian Orthodox Archdiocese in America
- American Holy Orthodox Catholic Apostolic Eastern Church
- American Patriarchal Orthodox Church
- Antiochian Orthodox Archdiocese of Toledo, and Dependencies in North America
- Christ Catholic Exarchate of Americas and Eastern Hemisphere
- Church of the East and of the Assyrians
- Eastern Orthodox Catholic Church in America
- Holy Apostolic and Catholic Church of the East (Assyrian)
- Holy Orthodox Church in America (Eastern Catholic and Apostolic)
- Holy Ukrainian Autocephalic Orthodox Church in Exile
- Old Catholic Archdiocese for the Americas and Europe
- Russian Orthodox Greek Catholic Church of America
- Syro-Russian Orthodox Catholic Church
- Turkish Orthodox Church in America
- Ukrainian Orthodox Church of America
- Western Orthodox Church in America