| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Ciriaco | Cyriacus | Old Greek | Spanish, Italian | Words: lord | |
| Ciro Benjamin | Ciro Benjamin | (la) | Spanish | | |
| Citlali | Citlali | Nahuatl | Spanish | star | |
| Citlalli | Citlali | Nahuatl | Spanish | star | |
| Clara | Clare | Latin | German, Spanish, Portuguese, English, Italian | clear, bright | #102 |
| Claudia | Claudius/Claudia | Latin | German, Scandinavian, Spanish, Italian | the limping | |
| Claudio | Claudius/Claudia | Latin | Spanish, Italian | the limping | |
| Clemente | Clement/Clemence/Clementine | Latin | Portuguese, Spanish, Italian | the merciful, the gentle | |
| Cleto | Anacletus | Old Greek | Portuguese, Spanish, Italian | called on, invoked | |
| Clodomiro | Clodomiro | Old High German | Portuguese, Spanish | Words: loud, famous / famous, well-known | |
| Clotario | Lothar | Old High German | Portuguese, Spanish, Italian | Words: loud, famous / army, warrior | |
| Columbano | Columbano | Latin | Portuguese, Spanish | dove | |
| Concepción | Concepción | Spanish | Spanish | conception | |
| Concha | Concepción | Spanish | Spanish | conception | |
| Conchita | Concepción | Spanish | Spanish | conception | |
| Conrada | Conrad/Konrada | Old High German | Spanish, Italian | Words: bold / counsel, advice, advisor | |
| Conradina | Conrad/Konrada | Old High German | Spanish, Italian | Words: bold / counsel, advice, advisor | |
| Conrado | Conrad/Konrada | Old High German | Spanish | Words: bold / counsel, advice, advisor | |
| Consuelo | Consuelo | Spanish | Spanish | consolation | |
| Coralia | Coral | English | Spanish | Words: coral | |
| Cornelio | Cornelius/Cornelia | Latin | Spanish, Italian | Words: horn | |
| Cortez | Curtis | Old French | Spanish, English | courtly, courteous | |
| Crisanto | Crisanto | Old Greek | Spanish, Tagalog | golden Flower; chrysanthemum | |
| Cristian | Christian/Christine | Latin | Spanish | Christian, disciple of Christ | #331 |
| Cristián | Christian/Christine | Latin | Spanish | Christian, disciple of Christ | |
| Cristina | Christian/Christine | Latin | Spanish, Italian | Christian, disciple of Christ | |
| Cristóbal | Christoph | Old Greek | Spanish | carrying Christ | |
| Cruz | Cruz | Spanish | Spanish, English | cross | #297 |
| Cunegunda | Kunigunde | Old High German | Spanish | Words: tribe, clan / fight | |
| Daciano | Dacio/Dacia | Latin | Portuguese, Spanish, Italian | from Dacia | |
| Dacio | Dacio/Dacia | Latin | Portuguese, Spanish, Italian | from Dacia | |
| Dagoberto | Dagobert | Old High German | Portuguese, Spanish, Italian | Words: bright | |
| Damarys | Damaris | Old Greek | Spanish | maybe calf | |
| Dámaso | Damasus | Old Greek | Spanish | tamer | |
| Damián | Damian/Damiana | Old Greek | Spanish | Words: tame, subdue | |
| Dana Paola | Dana Paola | Spanish | Spanish | | |
| Dani | Daniel/Daniela | Hebrew | Spanish | God is my judge | |
| Daniel | Daniel/Daniela | Hebrew | German, Scandinavian, Spanish, Portuguese, French, English, Polish, Czech | God is my judge | #16 |
| Danilo | Daniel/Daniela | Hebrew | Portuguese, Spanish, Italian, Slavic, Tagalog | God is my judge | |
| Danna Paola | Danna Paola | Spanish | Spanish | | |
| Danna Sofía | Danna Sofía | Spanish | Spanish | | |
| Darío | Darius/Daria | Old Persian | Spanish | possessor of the good | |
| David Santiago | David Santiago | (la) | Spanish | | |
| Decio | Decimo | Latin | Spanish, Italian | the tenth | |
| Delfina | Delphina | Latin | Spanish, Italian | Words: dolphin | |
| Delio | Delio/Delia | Old Greek | Spanish, Italian | | |
| Demetrio | Dimitri/Demetria/Dimitra | Old Greek | Portuguese, Spanish, Italian | dedicated to Demeter | |
| Demócrito | Democritus | Old Greek | Portuguese, Spanish | judge of the people | |
| Denisse | Dennis/Denise | Old Greek | Spanish | dedicated to Dionysos | |
| Deolinda | Dietlinde | Old High German | Portuguese, Spanish | Words: people / gentle, friendly / lime, linden, lime-wood shield | |
| Desiderio | Desiderio/Desiree | Latin | Spanish, Italian | the longed-for, the wished-for | |
| Desiré | Desiderio/Desiree | Latin | Spanish | the longed-for, the wished-for | |
| Diana | Diana | Latin | German, Spanish, Portuguese, English, Italian, Russian | Words: light, daylight, deity | #225 |
| Diana Paola | Diana Paola | Spanish | Spanish | | |
| Diego | Jacob/Jacqueline/Jakoba | Hebrew | Spanish | Yahweh may protect; holder of the heel; supplanter | #126 |
| Diego | Didaco | Old Greek | Spanish | | |
| Digna | Digna | Latin | Spanish | Words: worthy | |
| Dinora | Dinorah | Aramaic | Portuguese, Spanish | maybe light, fire | |
| Dinorah | Dinorah | Aramaic | Portuguese, Spanish | maybe light, fire | |
| Dionisia | Dennis/Denise | Old Greek | Portuguese, Spanish | dedicated to Dionysos | |
| Dionisio | Dennis/Denise | Old Greek | Portuguese, Spanish | dedicated to Dionysos | |
| Diosa | Diosa | Latin | Spanish, Tagalog | goddess | |
| Doda | Doda | Unknown | Portuguese, Spanish, Italian | | |
| Dolores | Dolores | Spanish | German, English, Spanish | Words: pain / pain | |
| Dominga | Dominic/Dominika | Latin | Spanish | belonging to the lord | |
| Domingo | Dominic/Dominika | Latin | Spanish | belonging to the lord | |
| Dominica | Dominic/Dominika | Latin | Spanish | belonging to the lord | |
| Doralice | Doralice | Unknown | Portuguese, Spanish, Italian | | |
| Dorotea | Dorotheus/Dorothea | Old Greek | Spanish, Italian | gift of God | |
| Doroteo | Dorotheus/Dorothea | Old Greek | Italian, Spanish | gift of God | |
| Duilio | Duilio | Latin | Portuguese, Spanish, Italian | Words: war | |
| Dulce | Dulcie | Latin | Spanish | the sweet | #831 |
| Dulce María | Dulce María | Spanish | Spanish | | |
| Eberardo | Everard/Everarda | Old High German | Spanish | strong like a boar | |
| Edelmira | Elmer/Elma | Old High German | Portuguese, Spanish | Words: noble, honorable / famous, well-known | |
| Edelmiro | Elmer/Elma | Old High German | Portuguese, Spanish | Words: noble, honorable / famous, well-known | |
| Édgar | Edgar/Edgarda | Old English | Spanish | Words: wealth / spear | |
| Edgardo | Edgar/Edgarda | Old English | Spanish, Italian | Words: wealth / spear | |
| Édison | Edison | Old English | Spanish | | |
| Eduarda | Edward/Eduarda | Old English | Spanish | guard of his wealth | |
| Eduardo | Edward/Eduarda | Old English | Spanish, Italian | guard of his wealth | #337 |
| Efrain | Ephraim | Hebrew | Spanish | doubly fruitful | |
| Efren | Ephraim | Hebrew | Spanish, Tagalog | doubly fruitful | |
| Efrén | Ephraim | Hebrew | Spanish | doubly fruitful | |
| Elena | Helen | Old Greek | Spanish, Italian | maybe the torch | #53 |
| Elga | Helge/Helga | Old Norse | Portuguese, Spanish | holy, blessed | |
| Elian | Elian | Unknown | Spanish | | #365 |
| Eliana | Elijah/Eliane | Hebrew | German, Spanish, Italian | my god is Yahweh | #48 |
| Elias | Elijah/Eliane | Hebrew | German, Portuguese, Spanish, Hungarian, Finnish | my god is Yahweh | #48 |
| Elías | Elijah/Eliane | Hebrew | Spanish | my god is Yahweh | |
| Eligio | Eligius | Latin | Spanish, Italian | | |
| Eliseo | Elischa/Elisha | Hebrew | Spanish, Italian | God is help | #833 |
| Elodia | Elodia | Gothic | Spanish | Words: foreign / wealth | |
| Eloy | Eligius | Latin | Spanish | | |
| Elvira | Elvira | Gothic | German, Italian, English, Spanish | Words: lively / true | |
| Emelina | Emmeline | Gothic | Spanish | Words: brave | |
| Emiliana | Emil/Emily | Latin | Portuguese, Spanish, Italian | Words: imitating, rivaling | |
| Emiliano | Emil/Emily | Latin | Spanish, Italian | Words: imitating, rivaling | #171 |
| Emilio | Emil/Emily | Latin | Spanish, Italian | Words: imitating, rivaling | #219 |
| Emma Sofía | Emma Sofía | Spanish | Spanish | | |
