| Name | Language | Saint | Meaning | Origin of the name | Celebration |
|---|---|---|---|---|---|
| Dacio | Español | Saint Dacius | 14 of January | ||
| Dahniel | Português | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Damián | Español | Saint Damian | Domador | 26 of September | |
| Damien | English | Saint Damian | Domador | 26 of September | |
| Dan | English | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Danacto | Español | Saint Danacto | 16 of January | ||
| Dani | Español | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Danie | Español | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Daniel | Español | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Danilo | English | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Danny | English | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| Dany | English | Saint Daniel Prophet | Dios es mi juez | Hebreo | 21 of July |
| David | Español | Saint David of Wales | 1 of March | ||
| Davino | Español | Saint Davinus the armenian | 3 of June | ||
| Decoroso | Español | Saint Decorosus | 15 of February | ||
| Deicolo | Español | Saint Deicola | 18 of January | ||
| Delfín | Español | Saint Delphin of Bordeaux | 24 of December | ||
| Demetrio | Español | Saint Demetrius of Rostov | madre de la tierra | eslavo/griego | 10 of November |
| Dictino | Español | Saint Dictinus | 2 of June | ||
| Didio | Español | Saint Didius | 26 of November | ||
| Diego | Español | James the Greater, Apostle | 25 of July | ||
| Dimas | Español | Saint Dismas the Good Thief | 25 of March | ||
| Dimbalac | Español | Blessed Dimbalac Oghlou Wartavar | 22 of November | ||
| Dionisia | Español | Saints Dionisia y compañeros | 6 of December | ||
| Dionisio | Español | Saint Dionysious of Corinth | 8 of April | ||
| Dioscórides | Español | Saint Dioscorides of Smyrna | 10 of May | ||
| Dióscoro | Español | Saint Dioscorus | 14 of December | ||
| Diosgracias | Español | Saint Deogratias | 5 of January | ||
| Disibodo | Español | Saint Disibod of Renania | 8 of July | ||
| Dodón | Español | Saint Dodo of Wallers | 29 of October | ||
| Domiciano | Español | Saint Domitian | 10 of January | ||
| Domingo | Español | Saint Dominic of Guzman | Perteneciente al Señor | Latín | 8 of August |
| Dominique | Français | Saint Dominic of Guzman | Perteneciente al Señor | Latín | 8 of August |
| Domnolo | Español | Saint Domnolus | 1 of December | ||
| Droctoveo | Español | Saint Droctoveus | 10 of March | ||
| Drogón | Español | Saint Drogo | 16 of April | ||
| Dubricio | Español | Saint Dubricius | 25 of November | ||
| Dula | Español | Saint Dula | 25 of March | ||
| Dutaco | Español | Saint Duthac | 8 of March |