The Eastern Catholic Churches are autocephalous Christian churches. They recognize the Bishop of Rome as their spiritual leader, like other Catholics.They differ on ideas as how a mass should be organised, or which prayers are more important than others.

In total there are 23 such churches, the probably best known are listed below:

• Coptic Catholic Church
• Maronite Church
• Armenian Catholic Church
• Chaldean Catholic Church
• Syro-Malabar Catholic Church
• Syro-Malankara Catholic Church