| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 561 | Concetta | Latin | Variant of Concepta: Conceived, a reference to the Immaculate Conception. | F | |
| 562 | Concordea | Latin | Harmony. | F | |
| 563 | Concordia | Latin | Harmony. | F | |
| 564 | Connie | Latin | Diminutive of Constance: Firm of purpose. Constancy, from the Latin Constantia. | F | |
| 565 | Constance | Latin | Firm of purpose. Constancy, from the Latin Constantia. | F | |
| 566 | Constancia | Latin | Firrn of purpose. | F | |
| 567 | Constancy | Latin | Variant of Constance: Firm of purpose. Constancy, from the Latin Constantia. | F | |
| 568 | Constantia | Latin | Constancy. Firrn of purpose. | F | |
| 569 | Constantina | Latin | Firrn of purpose. | F | |
| 570 | Constanze | Latin | Firrn of purpose. | F | |
| 571 | Consuela | Latin | Consolation. | F | |
| 572 | Coral | Latin | Semi-precious sea growth often deep pink or red. | F | |
| 573 | Coraline | Latin | From the semi-precious sea growth: coral. | F | |
| 574 | Corina | Latin | Variant of Corinne: maiden. | F | |
| 575 | Corine | Latin | Variant of Corinne: maiden. | F | |
| 576 | Cornelia | Latin | The feminine form of Cornelius. Famous bearer: 2nd century BC mother of the two Roman tribunes/reformers known as the Gracchi. | F | |
| 577 | Cornella | Latin | Feminine of Cornelius: Horn. | F | |
| 578 | Corrina | Latin | Variant of Corinne: maiden. | F | |
| 579 | Courtney | Latin | Born at court. | F | |
| 580 | Crescentia | Latin | Growing. | F | |