| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 401 | Clementine | German | Feminine form of the Latin Clement. Famous bearers of the name Clementine: the heroine of the well-known folk song 'Clementine' and the Sir Winston Churchill's wife. | F | |
| 402 | Clotilda | German | Heroine. Famous battle. Derived from the Old German 'hloda' meaning loud or famous, and 'hildi' meaning battle. Famous bearer: 6th century saint Clotilda was married to King Clovis, and played a major role in his conversion to Christianity. | F | |
| 403 | Clotilde | German | Heroine. | F | |
| 404 | Clovis | German | Renowned fighter. Variant of Louis. | M | |
| 405 | Conn | German | Diminutive of Conrad: Brave adviser. | M | |
| 406 | Connie | German | Diminutive of Conrad: Brave adviser. | M | |
| 407 | Conny | German | Diminutive of Conrad: Brave adviser. | M | |
| 408 | Conrad | German | Honest advisor Brave; wise. | M | |
| 409 | Conrade | German | Variant of Conrad: Brave adviser. | M | |
| 410 | Conradin | German | Honest advisor. | M | |
| 411 | Conradina | German | Bold. | F | |
| 412 | Conradine | German | Bold. | F | |
| 413 | Conrado | German | Variant of Conrad: Brave adviser; honest advisor. | M | |
| 414 | Cord | German | Honest advisor. | M | |
| 415 | Corrado | German | Bold. | M | |
| 416 | Cort | German | Courageous; honest advisor. | M | |
| 417 | Curt | German | Variant of Conrad. | M | |
| 418 | Dagmar | German | Famous or glorious day. Derived from a compound of two German words. | F | |
| 419 | Dagoberto | German | Glorious day. | M | |
| 420 | Dagomar | German | Glorious day. | F | |