Greek Catholic Church or Byzantine-Catholic Church may refer to:The Catholic Church in Greece The Eastern Orthodox Church The Eastern Catholic Churches that use the Byzantine Rite, also known as the 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 The Hungarian Greek Catholic Church The Italo-Albanian Catholic Church The Macedonian Greek Catholic Church The Malta Greek Catholic Church The Melkite Greek Catholic Church The Romanian Greek Catholic Church The Russian Greek Catholic Church The Ruthenian Greek Catholic Church The Slovak Greek Catholic Church The Ukrainian Greek Catholic Church Any other Eastern Catholic group that uses the Byzantine Rite: The Georgian Byzantine-Rite Catholics An Ordinariate for Eastern Catholic faithful