The Greek Catholic Church refers to a number of Eastern Catholic Churches following the Byzantine (Greek) liturgy, considered collectively or individually.

The terms Greek Catholic, Greek-Catholic, Greek Catholic church and Greek-Catholic Church may refer to:

• Individually, any 14 of the 23 Eastern Catholic Churches which use the Byzantine rite, a.k.a. Greek Rite:
  • the Albanian Greek Catholic Church
  • the Belarusian Greek Catholic Church
  • the Bulgarian Greek Catholic Church
  • the Greek Catholic Church of Croatia and Serbia
  • the Greek Byzantine Catholic Church, in Greece and Turkey
  • the Hungarian Greek Catholic Church
  • the Italo-Albanian Catholic Church
  • the Macedonian Greek Catholic Church
  • the Melkite Greek Catholic Church
  • the Romanian Greek Catholic Church (officially the Romanian Church United with Rome, Greek-Catholic)
  • the Russian Greek Catholic Church
  • the Ruthenian Greek Catholic Church
  • the Slovak Greek Catholic Church
  • the Ukrainian Greek Catholic Church
• Any other group of Eastern Catholics following the Byzantine rite:
  • the Georgian Byzantine-Rite Catholics
  • an Ordinariate for Eastern Catholic faithful without proper ordinary, in 6 countries
• The Catholic Church in Greece, a Roman Catholic hierarchy following the Latin rite in the country of Greece

See also

• Albanian Catholic Church
• Belarusian Catholic Church
• Bulgarian Catholic Church
• Croatian Catholic Church
• Hungarian Catholic Church
• Romanian Catholic Church
• Russian Catholic Church
• Serbian Catholic Church
• Slovak Catholic Church
• Ukrainian Catholic Church