| Denis | | de-NEE (French), DEN-is (English), DE-nis (German) | French, Russian, English, German, Czech, Slovak, Slovene, Romanian, Croatian | |
| Denisa | | de-NEE-sah (Romanian) | Czech, Slovak, Romanian | |
| DionÝZ | | - | Slovak | |
| 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 | |
| Dorota | | daw-RAW-tah (Polish) | Polish, Czech, Slovak | |
| Drahoslav | | - | Czech, Slovak | |
| DuŠAn | | - | Czech, Serbian, Croatian, Slovak, Slovene, Macedonian | |
| DuŠAna | | - | Czech, Serbian, Croatian, Slovak | |
| Edita | | - | Czech, Slovak, Slovene, Croatian, Lithuanian | |
| Eduard | | E-doo-ahrt (German) | German, Russian, Czech, Slovak, Croatian, Catalan, Dutch, Estonian, Romanian, Georgian, Armenian | |
| 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 | |
| EliŠKa | | - | Czech, Slovak | |
| EmÍLia | | - | Portuguese, Slovak, Hungarian | |
| Ema | | - | Spanish, Portuguese, Slovene, Czech, Slovak, Croatian | |