| Name | Meaning | Gender | Origin |
|---|
| Clarion | Name Of A King | Male | Arthurian |
| Claudas | Name Of A King | Male | Arthurian |
| Clovis | Name Of A King | Male | French |
| Cnidel | Name Of A King | Male | Arthurian |
| Cnut | Name Of A King | Male | Anglo |
| Crudel | Name Of A King | Male | Arthurian |
| Cus | Name Of A King | Male | Arthurian |
| Cynegils | Name Of A King | Male | Anglo |
| Cynewulf | Name Of A King | Male | Anglo |
| Delray | Of The King. | Male | French |
| Delrick | Of The King. | Male | French |
| Delrico | Of The King. | Male | French |
| Delron | Of The King. | Male | French |
| Delroy | Of The King. | Male | French |
| Dickran | Name Of A King | Male | Armenian |
| Diomedes | Myth Name (An Evil King) | Male | Greek |
| Donn | Brown: In Mythology The Irish Donn Was Known As King Of The Underworld. | Male | Irish |
| Donne | Form Of Donn. In Mythology The Irish Donn Was Known As King Of The Underworld. | Male | English |
| Donnie | Form Of Donn. In Mythology The Irish Donn Was Known As King Of The Underworld. | Male | English |
| Donny | Form Of Donn. In Mythology The Irish Donn Was Known As King Of The Underworld. | Male | English |
| Eadbert | Name Of A King | Male | Anglo |
| Ecgfrith | Name Of A King | Male | Anglo |
| Edred | Name Of A King | Male | Anglo |
| Edwy | Name Of A King | Male | Anglo |
| Egbert | Name Of A King | Male | Anglo |
| Elric | The King. | Male | English |
| Elrick | The King. | Male | English |
| Elrod | The King. | Male | English |
| Erconberht | Name Of A King | Male | Anglo |
| Erechtheus | Myth Name (A King Of Athens) | Male | Greek |