| Danail | | - | Bulgarian | |
| Daniela | | dahn-YE-lah (German) | Italian, German, Czech, Slovak, Romanian, Portuguese, Spanish, Bulgarian, Macedonian, English | |
| Darina (2) | | - | Czech, Slovak, Bulgarian | |
| Denica | | - | Bulgarian, Macedonian | |
| Desislav | | - | Bulgarian, Medieval Slavic | |
| Desislava | | - | Bulgarian, Medieval Slavic | |
| Dessislava | | - | Bulgarian | |
| Deyan | | - | Bulgarian | |
| Dimitar | | - | Bulgarian, Macedonian | |
| Doncho | | - | Bulgarian, Macedonian | |
| Donka | | - | Bulgarian | |
| Dragan | | - | Serbian, Croatian, Slovene, Macedonian, Bulgarian | |
| Dragomir | | - | Serbian, Croatian, Romanian, Bulgarian, Slovene, Medieval Slavic | |
| Ekaterina | | ye-kah-tye-REE-nah (Russian), ee-kah-tee-REE-nah (Russian) | Bulgarian, Macedonian, Russian | |
| Elena | | E-le-nah (Italian), e-LE-nah (Spanish), ye-LYE-nah (Russian), ee-LYE-nah (Russian) | Italian, Spanish, Romanian, Bulgarian, Macedonian, Slovak, Lithuanian, Russian, German, Medieval Sla | |