| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Ceciliano | Ceciliano | Latin | Italian | | |
| Cecilio | Cecil/Cecilia | Latin | Spanish, Italian | Words: blind | |
| Cecilius | Cecil/Cecilia | Latin | Dutch | Words: blind | |
| Cedric | Cedric | English | English | maybe beloved | |
| Cédric | Cedric | English | French | maybe beloved | |
| Cedrick | Cedric | English | English | maybe beloved | |
| Cedrik | Cedric | English | French | maybe beloved | |
| Cei | Cei | Unknown | English | | |
| Celal | Jalal | Arabic | Turkish | greatness | |
| Celeste | Celestine/Cölestina | Latin | Italian | heavenly, of the sky | |
| Céleste | Celestine/Cölestina | Latin | French | heavenly, of the sky | |
| Célestin | Celestine/Cölestina | Latin | French | heavenly, of the sky | |
| Celestine | Celestine/Cölestina | Latin | English | heavenly, of the sky | |
| Celestino | Celestine/Cölestina | Latin | Italian | heavenly, of the sky | |
| Célian | Célian | Unknown | French | | |
| Celino | Celino | Latin | Spanish, Italian | | |
| Celio | Celio/Celina | Latin | Portuguese, Spanish, Italian | Words: sky, heaven | |
| Celso | Celso | Latin | Portuguese, Spanish, Italian | high, tall | |
| Cem | Cem | Turkish | Turkish | | |
| Cesar | Cäsar/Cesira | Latin | German | Words: cut, excise | #386 |
| César | Cäsar/Cesira | Latin | Spanish, French | Words: cut, excise | |
| Cesare | Cäsar/Cesira | Latin | Italian | Words: cut, excise | |
| Cesarino | Cäsar/Cesira | Latin | Italian | Words: cut, excise | |
| Cesario | Cäsar/Cesira | Latin | Italian | Words: cut, excise | |
| Cesário | Cäsar/Cesira | Latin | Portuguese | Words: cut, excise | |
| Cesidio | Cesidio | Latin | Italian | maybe pale | |
| Cevat | Cevat | Unknown | Turkish | | |
| Cevdet | Cevdet | Unknown | Turkish | | |
| Chace | Chase/Chase | Old French | English | hunter | |
| Chad | Chad | Old English | English | Words: battle | |
| Chadwick | Chadwick | Old English | English | Chad's dairy farm | |
| Chaim | Chayim/Chaya | Hebrew | English | life | #706 |
| Chance | Chance | English | English | the chance | #326 |
| Chandler | Chandler/Chandler | Old French | English | candle maker, candle seller | #604 |
| Channing | Channing | Unknown | English | | |
| Charalambos | Charalampos | Old Greek | Greek | to shine from joy | |
| Charalampos | Charalampos | Old Greek | Greek | to shine from joy | |
| Charles | Karl/Charlotte/Carla | Old High German | English, French | Words: man, husband | #50 |
| Charlie | Karl/Charlotte/Carla | Old High German | English | Words: man, husband | #189 |
| Charlton | Carlton | Old English | English | peasant settlement, settlement of freemen | |
| Charly | Karl/Charlotte/Carla | Old High German | English | Words: man, husband | |
| Chase | Chase/Chase | Old French | English | hunter | #125 |
| Chauncey | Chauncey | Old French | English | | |
| Chayim | Chayim/Chaya | Hebrew | English, Hebrew | life | |
| Chayyim | Chayim/Chaya | Hebrew | English, Hebrew | life | |
| Chaz | Karl/Charlotte/Carla | Old High German | English | Words: man, husband | |
| Che | Che | Malay | Malay | | |
| Cheng | Cheng | Mandarin | Kanji symbol, Mandarin | accomplish, succeed | |
| Chester | Chester | Old English | English | Words: fort | |
| Chevy | Chevy | Unknown | English | | |
| Chik | Kechik | Malay | Malay | small, little | |
| Chiron | Chiron | Old Greek | German, English | | |
| Chizkiyahu | Hezekiah | Hebrew | Hebrew | Yahweh strengthens | |
| Chosen | Chosen | English | English | chosen | |
| Chris | Christoph | Old Greek | English | carrying Christ | #660 |
| Christer | Christian/Christine | Latin | Scandinavian | Christian, disciple of Christ | |
| Christian | Christian/Christine | Latin | German, French, English | Christian, disciple of Christ | #72 |
| Christion | Christian/Christine | Latin | English | Christian, disciple of Christ | |
| Christóbal | Christoph | Old Greek | Spanish | carrying Christ | |
| Christof | Christoph | Old Greek | German | carrying Christ | |
| Christofer | Christoph | Old Greek | English | carrying Christ | |
| Christoff | Christoph | Old Greek | German | carrying Christ | |
| Christoffer | Christoph | Old Greek | English | carrying Christ | |
| Christoph | Christoph | Old Greek | German | carrying Christ | |
| Christophe | Christoph | Old Greek | French | carrying Christ | |
| Christopher | Christoph | Old Greek | English | carrying Christ | #52 |
| Chuck | Karl/Charlotte/Carla | Old High German | English | Words: man, husband | |
| Cian | Cian | Old Irish | English, Irish | ancient | |
| Cianán | Cian | Old Irish | Irish | ancient | |
| Ciaran | Kieran/Ciara | Old Irish | Irish | the black | |
| Cillian | Cillian | Old Irish | French, Irish | maybe war, strife | #743 |
| Cináed | Cináed | Old Irish | Scottish | born of fire | |
| Çinar | Çinar | Turkish | Turkish | plane tree | |
| Cionaodh | Cináed | Old Irish | Irish | born of fire | |
| Ciprian | Cyprian/Cipriana | Latin | Romanian | from Cypres | |
| Cipriano | Cyprian/Cipriana | Latin | Spanish, Italian | from Cypres | |
| Ciriaco | Cyriacus | Old Greek | Spanish, Italian | Words: lord | |
| Ciril | Cyrill/Cyrielle | Old Greek | Slavic | Words: lord | |
| Cirillo | Cyrill/Cyrielle | Old Greek | Italian | Words: lord | |
| Ciro | Cyrus/Kyra | Old Persian | Italian | Words: lord | |
| Ciro Benjamin | Ciro Benjamin | (la) | Spanish | | |
| Claas | Klaus | Old Greek | German, Dutch, Low German | | |
| Claes | Nicholas/Nicole | Old Greek | Scandinavian | victory of the people | |
| Clarence | Clarence | English | German | Words: plain / clear, bright | |
| Clark | Clark | Old English | English | cleric, scholar | #396 |
| Claude | Claudius/Claudia | Latin | French | the limping | |
| Claudio | Claudius/Claudia | Latin | Spanish, Italian | the limping | |
| Cláudio | Claudius/Claudia | Latin | Portuguese | the limping | |
| Claudiu | Claudius/Claudia | Latin | Romanian | the limping | |
| Claudius | Claudius/Claudia | Latin | German, English | the limping | |
| Claus | Klaus | Old Greek | German | | |
| Clay | Clayton | Old English | English | clay settlement | #614 |
| Clayton | Clayton | Old English | English | clay settlement | #278 |
| Clemens | Clement/Clemence/Clementine | Latin | German | the merciful, the gentle | |
| Clement | Clement/Clemence/Clementine | Latin | English | the merciful, the gentle | |
| Clément | Clement/Clemence/Clementine | Latin | French | the merciful, the gentle | |
| Clemente | Clement/Clemence/Clementine | Latin | Portuguese, Spanish, Italian | the merciful, the gentle | |
| Cleopas | Cleopas/Cleopha | Old Greek | English | glory of the father | |
| Cleophas | Cleopas/Cleopha | Old Greek | English | glory of the father | |
| Cleto | Anacletus | Old Greek | Portuguese, Spanish, Italian | called on, invoked | |
