| Constantin Şerban | Constantin Ier Şerban Basarab |
| Constantin-François Chassebœuf | Volney |
| Constantina | Constantine |
| Constantine | Constantin |
| Constantine Andreou | Constantin Andréou |
| Constantine Bodin | Constantin Bodin |
| Constantine Ducas | Constantin Duca |
| Constantine I | Constantin Ier |
| Constantine I of Greece | Constantin Ier de Grèce |
| Constantine II | Constantin II |
| Constantine II of Greece | Constantin II de Grèce |
| Constantine III | Constantin III |
| Constantine III of Britain | Constantin III de Bretagne |
| Constantine IV | Constantin IV |
| Constantine IX Monomachos | Constantin IX |
| Constantine Kanaris | Constantin Kanaris |
| Constantine Karamanlis | Konstantínos Karamanlís |
| Constantine Lascaris | Constantin Lascaris |
| Constantine Maroulis | Constantine Maroulis |
| Constantine Mitsotakis | Constantinos Mitsotakis |
| Constantine Paparrigopoulos | Constantin Paparregopoulos |
| Constantine Phaulkon | Constantin Phaulkon |
| Constantine Province | Wilaya de Constantine |
| Constantine Samuel Rafinesque | Constantine Samuel Rafinesque |
| Constantine Tikh of Bulgaria | Constantin Ier Asên |
| Constantine V | Constantin V |
| Constantine VI | Constantin VI |
| Constantine VII | Constantin VII Porphyrogénète |
| Constantine VIII | Constantin VIII |
| Constantine X | Constantin X |
| Constantine XI | Constantin XI Paléologue |
| Constantinian dynasty | Constantiniens |
| Constantino Brumidi | Constantino Brumidi |
| Constantino Zaballa | Constantino Zaballa |
| Constantinople | Constantinople |
| Constantinopolitan | Constantinopolitain |
| Constantius | Constance |
| Constantius Chlorus | Constance Chlore |
| Constantius Gallus | Constantius Gallus |
| Constantius II | Constance II |
| Constantius III | Constance III |
| constantly | continuellement |
| Constanze Mozart | Constanze Weber |
| Constanţa | Constanţa |
| Constanţa County | Judeţ de Constanţa |
| constellate | consteller |
| constellation | constellation |
| consternate | consterner |
| consternation | accablement |
