| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 541 | Clarissa | English | Variant of Clarice: A variant of the Latin Clara, meaning bright or clear. also a variant of Claire or Clarice. Bright; shining and gentle; famous. | F | |
| 542 | Clarrie | English | A diminutive of any feminine name beginning with Clar-. | F | |
| 543 | Clarrisa | English | Variant of Claire or Clarice. Bright; shining and gentle; famous. | F | |
| 544 | Claudelle | English | Feminine of Claude. | F | |
| 545 | Claudette | English | Feminine of Claude. | F | |
| 546 | Claudia | English | Feminine of Claude. | F | |
| 547 | Claudine | English | Feminine of Claude. | F | |
| 548 | Cleantha | English | Glory. | F | |
| 549 | Clemence | English | Variant of Clementia used as a virtue name by the Puritans, associated with the abstract virtue of clemency. | F | |
| 550 | Clemency | English | Variant of Clementia used as a virtue name by the Puritans, associated with the abstract virtue of clemency. | F | |
| 551 | Cleva | English | Dwells at the cliffs. | F | |
| 552 | Clover | English | Clover. | F | |
| 553 | Codee | English | Cushion. Helpful. | F | |
| 554 | Codi | English | Cushion. Helpful. | F | |
| 555 | Codier | English | Cushion. | F | |
| 556 | Cody | English | Cushion. Helpful. | F | |
| 557 | Codyr | English | Cushion. | F | |
| 558 | Colby | English | Dark-skinned. | F | |
| 559 | Connie | English | Constancy; steadfastness. A diminutive of Constance, sometimes used as an independent name. | F | |
| 560 | Constance | English | Constancy; steadfastness. | F | |