| Davor | | - | Croatian, Serbian, Slovene | |
| Dejan | | - | Serbian, Croatian, Slovene, Macedonian | |
| Dejana | | - | Serbian, Croatian, Slovene | |
| Denis | | de-NEE (French), DEN-is (English), DE-nis (German) | French, Russian, English, German, Czech, Slovak, Slovene, Romanian, Croatian | |
| Dijana | | dee-YAH-nah (Croatian), DEE-yah-nah (Croatian) | Croatian, Serbian, Slovene, Macedonian | |
| Dimitrij | | - | Slovene, Macedonian | |
| Domen | | - | Slovene | |
| Dominik | | daw-MEE-neek (Polish), DO-mi-nik (German) | Czech, Slovak, Slovene, Polish, German, Hungarian, Croatian | |
| Dominika | | daw-mee-NEE-kah (Polish) | Czech, Slovak, Slovene, Russian, Polish | |
| Doroteja | | - | Slovene, Croatian, Serbian, Macedonian | |
| Draga | | - | Slovene, Croatian, Serbian | |
| Dragan | | - | Serbian, Croatian, Slovene, Macedonian, Bulgarian | |
| Dragica | | - | Serbian, Croatian, Slovene | |
| Drago | | - | Croatian, Serbian, Slovene | |
| Dragomir | | - | Serbian, Croatian, Romanian, Bulgarian, Slovene, Medieval Slavic | |