| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Colombe | Colombe | Latin | French | dove | |
| Colombina | Colombe | Latin | Italian | dove | |
| Colombine | Colombe | Latin | English, French | dove | |
| Columban | Columbano | Latin | English | dove | |
| Columbano | Columbano | Latin | Portuguese, Spanish | dove | |
| Concetta | Concetta | Latin | German, Italian | | |
| Concettina | Concetta | Latin | Italian | | |
| Conni | Cornelius/Cornelia | Latin | German | Words: horn | |
| Conni | Konstantin/Konstanze | Latin | German | the steadfast | |
| Connie | Cornelius/Cornelia | Latin | German | Words: horn | |
| Connie | Konstantin/Konstanze | Latin | German, English | the steadfast | |
| Conny | Cornelius/Cornelia | Latin | German | Words: horn | |
| Constança | Konstantin/Konstanze | Latin | Portuguese | the steadfast | |
| Constance | Konstantin/Konstanze | Latin | French, English | the steadfast | |
| Constantin | Konstantin/Konstanze | Latin | French | the steadfast | |
| Constantine | Konstantin/Konstanze | Latin | English | the steadfast | |
| Constanza | Konstantin/Konstanze | Latin | Italian | the steadfast | |
| Constanze | Konstantin/Konstanze | Latin | German | the steadfast | |
| Corban | Corvin | Latin | English | Words: raven | |
| Corbin | Corvin | Latin | English | Words: raven | #473 |
| Cordelia | Cordula | Latin | German, English | | |
| Cordula | Cordula | Latin | German, English | | |
| Corey | Corey/Corey | Latin | English | Words: raven / ravine | #678 |
| Corey | Corey/Corey | Latin | English | Words: raven / ravine | |
| Cori | Corey/Corey | Latin | English | Words: raven / ravine | |
| Corin | Quirin/Quirina | Latin | French | | |
| Corneille | Cornelius/Cornelia | Latin | French | Words: horn | |
| Cornel | Cornelius/Cornelia | Latin | German | Words: horn | |
| Cornela | Cornelius/Cornelia | Latin | English | Words: horn | |
| Cornelia | Cornelius/Cornelia | Latin | German, Italian | Words: horn | |
| Cornélie | Cornelius/Cornelia | Latin | French | Words: horn | |
| Cornelio | Cornelius/Cornelia | Latin | Spanish, Italian | Words: horn | |
| Cornelis | Cornelius/Cornelia | Latin | German, Dutch | Words: horn | |
| Cornelius | Cornelius/Cornelia | Latin | German | Words: horn | |
| Cornell | Cornelius/Cornelia | Latin | English | Words: horn | |
| Cornell | Cornelius/Cornelia | Latin | German | Words: horn | |
| Corona | Corona | Latin | German | Words: crown, garland | |
| Corvin | Corvin | Latin | English | Words: raven | |
| Cory | Corey/Corey | Latin | English | Words: raven / ravine | |
| Costanta | Konstantin/Konstanze | Latin | Italian | the steadfast | |
| Costante | Konstantin/Konstanze | Latin | Italian | the steadfast | |
| Costantino | Konstantin/Konstanze | Latin | Italian | the steadfast | |
| Costanza | Konstantin/Konstanze | Latin | Italian | the steadfast | |
| Costanzo | Konstantin/Konstanze | Latin | Italian | the steadfast | |
| Creed | Creed | Latin | English | creed, belief | #612 |
| Crescentia | Crescenzio/Crescentia | Latin | German | the growing | |
| Crescenzia | Crescenzio/Crescentia | Latin | Italian | the growing | |
| Crescenzio | Crescenzio/Crescentia | Latin | Italian | the growing | |
| Crispin | Crispin/Crispina | Latin | German, English | curly haired | |
| Crispina | Crispin/Crispina | Latin | Italian | curly haired | |
| Crispino | Crispin/Crispina | Latin | Italian | curly haired | |
| Cristian | Christian/Christine | Latin | Spanish | Christian, disciple of Christ | #320 |
| Cristián | Christian/Christine | Latin | Spanish | Christian, disciple of Christ | |
| Cristiana | Christian/Christine | Latin | Italian | Christian, disciple of Christ | |
| Cristiano | Christian/Christine | Latin | Italian | Christian, disciple of Christ | |
| Cristina | Christian/Christine | Latin | Spanish, Italian | Christian, disciple of Christ | |
| Crysta | Christian/Christine | Latin | English | Christian, disciple of Christ | |
| Cylia | Cecil/Cecilia | Latin | French | Words: blind | |
| Cyprian | Cyprian/Cipriana | Latin | German, English | from Cypres | |
| Cyprianus | Cyprian/Cipriana | Latin | German | from Cypres | |
| Cyprien | Cyprian/Cipriana | Latin | French | from Cypres | |
| Dacia | Dacio/Dacia | Latin | Portuguese, Italian | from Dacia | |
| Daciana | Dacio/Dacia | Latin | Romanian | from Dacia | |
| Daciano | Dacio/Dacia | Latin | Portuguese, Spanish, Italian | from Dacia | |
| Dacio | Dacio/Dacia | Latin | Portuguese, Spanish, Italian | from Dacia | |
| Dajana | Diana | Latin | German | Words: light, daylight, deity | |
| Dalmazio | Dalmazio | Latin | Italian | from Dalmatia | |
| Dante | Dante | Latin | German, Italian | Words: endure, withstand | #322 |
| Daunte | Dante | Latin | English | Words: endure, withstand | |
| Dayana | Diana | Latin | German | Words: light, daylight, deity | #494 |
| Dea | Dea | Latin | English | the goddess | |
| Deanna | Diana | Latin | English | Words: light, daylight, deity | |
| Decimo | Decimo | Latin | Italian | the tenth | |
| Decio | Decimo | Latin | Spanish, Italian | the tenth | |
| Décio | Decimo | Latin | Portuguese | the tenth | |
| Degna | Degna | Latin | Italian | maybe worthy | |
| Delfina | Delphina | Latin | Spanish, Italian | Words: dolphin | |
| Delfine | Delphina | Latin | French, English | Words: dolphin | |
| Delicia | Delicia | Latin | English | delight, pleasure | |
| Delphina | Delphina | Latin | German | Words: dolphin | |
| Delphine | Delphina | Latin | French, English | Words: dolphin | |
| Deodat | Adeodato/Adeodata | Latin | German | given by God | |
| Déodat | Adeodato/Adeodata | Latin | French | given by God | |
| Deodata | Adeodato/Adeodata | Latin | Italian | given by God | |
| Deodato | Adeodato/Adeodata | Latin | Italian | given by God | |
| Deseree | Desiderio/Desiree | Latin | English | the longed-for, the wished-for | |
| Desideria | Desiderio/Desiree | Latin | Italian | the longed-for, the wished-for | |
| Desiderio | Desiderio/Desiree | Latin | Spanish, Italian | the longed-for, the wished-for | |
| Desirae | Desiderio/Desiree | Latin | English | the longed-for, the wished-for | |
| Desiré | Desiderio/Desiree | Latin | Spanish | the longed-for, the wished-for | |
| Désiré | Desiderio/Desiree | Latin | French | the longed-for, the wished-for | |
| Desiree | Desiderio/Desiree | Latin | German | the longed-for, the wished-for | |
| Désirée | Desiderio/Desiree | Latin | French | the longed-for, the wished-for | |
| Dian | Diana | Latin | English | Words: light, daylight, deity | |
| Diana | Diana | Latin | German, Spanish, Portuguese, English, Italian, Russian | Words: light, daylight, deity | #243 |
| Diána | Diana | Latin | Hungarian | Words: light, daylight, deity | |
| Díana | Diana | Latin | Icelandic | Words: light, daylight, deity | |
| Diane | Diana | Latin | German, French | Words: light, daylight, deity | |
| Dianna | Diana | Latin | English | Words: light, daylight, deity | |
| Díanna | Diana | Latin | Icelandic | Words: light, daylight, deity | |