Orthodox Catholic Church or Orthodox Catholic may refer to: * The

Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

** The

Eastern Catholic Churches The Eastern Catholic Churches or Oriental Catholic Churches, also called the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are 23 Eastern Christian autonomous ('' sui iuris'') particular churches of t ...

, particularly the

Greek Catholic Church The term Greek Catholic Church can refer to a number of Eastern Catholic Churches following the Byzantine (Greek) liturgy, considered collectively or individually. The terms Greek Catholic, Greek Catholic church or Byzantine Catholic, Byzantine Ca ...

es * The

Eastern Orthodox Church The Eastern Orthodox Church, also called the Orthodox Church, is the second-largest Christian church, with approximately 220 million baptized members. It operates as a communion of autocephalous churches, each governed by its bishops vi ...

* The

Oriental Orthodox Churches The Oriental Orthodox Churches are Eastern Christian churches adhering to Miaphysite Christology, with approximately 60 million members worldwide. The Oriental Orthodox Churches are part of the Nicene Christian tradition, and represent ...

* The Orthodox-Catholic Church of America * The Catholicate of the West, also called ''The Western Orthodox Catholic Church''

See also