| Dagmara | f | Celtic | Dagmara, as a Slavic variant of Dagmar, derives from various roots |
| Dagna | f | Norwegian | The name Dagna is derived from Dagny and means 'the new day' |
| Dalibor | m | Slavic | The name Dalibor is a masculine first name that is composed of the Slavic elements dáli… |
| Damian-Maximilian | m | Latin | Damian-Maximilian is a double name combining Damian ("the conqueror") and Maximilian ("… |
| Damian-Vitus | m | English | Damian-Vitus is a double name combining Damian ("the conqueror") and Vitus ("the living… |
| Daniela | f | Italian | The name Daniela, as the feminine variant of Daniel, means 'God judges' or 'God is my j… |
| Danusia | f | Polish | Danusia is a diminutive form of the Polish name Danuta, which traces back to the name D… |
| Danuta | f | Polish | Danuta is a female first name considered a Polish diminutive of Danute, a Lithuanian fo… |
| Darek | m | Polish | The name Darek is a Polish diminutive of Dariusz and derives from the ancient Persian n… |
| Daria | f | Persian | The name Daria (دريا) is derived as the feminine variant of Darius or Dareios and has i… |
| Dariusz | m | Polish | Dariusz means as a masculine name 'holding onto the good,' 'possessing the good,' or 'p… |
| Dave-David | m | English | Dave-David is a double name combining Dave ("the favorite") and David ("the beloved") |
| Dawid | m | Hebrew | Dawid (דָּוִד) is both the biblical Hebrew original form and a Polish variation of the … |
| Delfa | f | Polish | The name Delfa is a Polish diminutive of Delphina and means 'the woman from Delphi' or … |
| Delfin | m | Polish | Delfin is a boy's name that traces back to Delphinus |
| Dobrusia | f | Polish | The term also comes from Russian and means 'good' |
| Donat | m | Latin | Donat is a shortened form of the Latin name Donatus and carries the meaning 'the (gifte… |
| Donata | f | Latin | Donata is the feminine Italian variant of the name Donatus |
| Dorain | m | Greek | The name Dorain, which can be used for both boys and girls, is a rare English and Polis… |
| Dorisa | f | Hawaiian | The first name Dorisa is a form of Doris and translates to 'the gift' or 'the offering.… |
| Dorota | f | Polish | As the Polish, Czech, and Slovak form of Dorothea, Dorota means 'gift of God' |
| Dörthe-Julia | f | Georgian | Dörthe-Julia is a double name combining Dörthe ("gift of God") and Julia ("the one from… |
| Dragina | f | Polish | Dragina is a variation of the name Draga, which is regarded as the feminine form of Dragan |
| Dymitr | m | Polish | Dymitr is a masculine designation that is considered an old Polish form of the name Dem… |
| Dzesika | f | Aramaic | Dzesika, the Polish (Dżesika) and Lithuanian (Džesika) form of Jessica, originates from… |