Skip to main content - Constantine III Leichudes, Patriarch of Constantinople
- Constantine IV, Byzantine Emperor
- Constantine IX Monomachus, Byzantine Emperor
- Constantine of Barbanson
- Constantine the African
- Constantine V, Byzantine Emperor
- Constantine VII Porphyrogenitus, Byzantine Emperor
- Constantine VII Porphyrogenitus°
- Constantine XI Palaeologus, Byzantine Emperor
- Constantine, Pope
- Constantiner, Jaime
- Constantini, Humberto
- Constantinople (Byzantium, Istanbul)
- Constantinople I, Council of
- Constantinople II, Council of
- Constantinople III, Council of
- Constantinople IV, Council of
- Constantinople, Ecumenical Patriarchate of
- Constantius II, Roman Emperor
- Constantius of Fabriano, Bl.
