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:
- Any other group of Eastern Catholics following the Byzantine rite:
- The Catholic Church in Greece, a Roman Catholic hierarchy following the Latin rite in the country of Greece