Cons - Crim
- Consistorium
- Constans I
- Constans II
- Constantia (Salamis)
- Constantine
- Constantine Bodin
- Constantine I the Great
- Constantine II
- Constantine III
- Constantine III Leichoudes
- Constantine IV
- Constantine IX Monomachos
- Constantine of Rhodes
- Constantine the Philosopher
- Constantine Tich
- Constantine V
- Constantine VI
- Constantine VII Porphyrogennetos
- Constantine VIII
- Constantine X Doukas
- Constantine XI Palaiologos
- Constantinople
- Constantinople, Fifth Ecumenical Council at
- Constantinople, Sixth Ecumenical Council at
