| Name | Meaning | Gender | Origin |
|---|
| Bruce | thicket, woodlands | Male | Scottish |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Brutus | heavy, dull | Male | Latin |
| Bryan | strong, virtuous, and honorable | Male | English |
| Calvin | Bald | Male | Latin |
| Carlo | French from German, free man | Male | Italian |
| Caspar | keeper of the treasure | Male | Persian |
| Chet | fortress, walled town | Male | English |
| Christian | annointed, follows Christ | Male | Greek |
| Christopher | Christ-bearer | Male | Greek |
| Claus | Spelling variation of Nicholas | Male | Scandinavian |
| Clause | | Unisex | Hebrew |
| Colin | Strong and virile; victorious army; youth, child, victor | Male | English |
| Conrad | brave counsel | Male | |
| Cyril | lordly, proud | Male | Greek |
| Daniel | my judge is the Lord | Male | Hebrew |
| Dario | Rich
| Male | Italian |
| Darius | protector | Male | |
| David | Dearly loved
| Male | Hebrew |
| Denis | Mountain Of Zeus | Unisex | French |
| Dennis | Named for Saint Denys
| Male | |
| Dieter | the people's ruler | Male | |
| Dino | From The Dene | Male | English |
| Dodo | | Unisex | Hebrew |