| Dalibor | | - | Czech, Slovak, Croatian, Serbian, Slovene, Medieval Slavic | |
| Daw | | - | Medieval English | |
| Desislav | | - | Bulgarian, Medieval Slavic | |
| Desislava | | - | Bulgarian, Medieval Slavic | |
| Dicun | | - | Medieval English | |
| Didacus | | - | Medieval Spanish | |
| Dionisia | | - | Medieval English | |
| Diot | | - | Medieval English | |
| Dmitrei | | - | Medieval Slavic | |
| Dobrogost | | daw-BRAW-gawst (Polish) | Polish (Rare), Medieval Slavic | |
| Dobromil | | - | Czech (Rare), Medieval Slavic | |
| Dobroslav | | - | Croatian, Serbian, Czech, Medieval Slavic | |
| Dragomir | | - | Serbian, Croatian, Romanian, Bulgarian, Slovene, Medieval Slavic | |
| Dragoslav | | - | Serbian, Croatian, Slovene, Medieval Slavic | |
| Dragoslava | | - | Serbian, Medieval Slavic | |