Lists of catholicoi
List of Catholicoi (a title of heads of many Eastern churches - singular Catholicos):
- List of Catholicoi of Armenia
- List of Armenian Catholicoi of Cilicia
- List of Armenian Catholic Catholicos-Patriarchs of Cilicia
- List of Catholicoi and Patriarchs of Babylon for the Chaldeans
- List of Catholicoi of Seleucia-Ctesiphon and Patriarchs of the East
- List of Catholicos of the East
- List of Catholicoi-Patriarchs of All Georgia
- List of Caucasian Albanian Catholicoi