| CzesŁAwa | | ches-WAH-vah | Polish | |
| Dagmara | | - | Polish | |
| Damian | | DAY-mee-ən (English), DAHM-yahn (Polish) | English, Polish, Dutch | |
| Dan (2) | | DAN (English), DAHN (Romanian, Czech, Swedish) | English, Spanish, French, Portuguese, Romanian, Czech, German, Polish, Swedish, Danish, Norwegian | |
| Daniel | | DAN-yəl (English), dah-nee-EL (Jewish), dan-YEL (French), DAH-nee-el (German), DAHN-yel (Polish) | English, Hebrew, French, German, Swedish, Norwegian, Danish, Polish, Czech, Slovak, Spanish, Portugu | |
| Danka | | - | Serbian, Slovak, Polish | |
| Danuta | | dah-NUW-tah | Polish | |
| Darek | | - | Polish | |
| Daria | | DAHR-yah (Italian, Polish, Romanian), DAHR-ee-ə (English), DER-ee-ə (English), DAR-ee-ə (English) | Italian, Polish, Romanian, English, Croatian, Late Greek (Latinized) | |
| Dariusz | | DAHR-yuwsh | Polish | |
| Dawid | | DAH-veet (Polish) | Polish, Biblical Hebrew | |
| Dobrogost | | daw-BRAW-gawst (Polish) | Polish (Rare), Medieval Slavic | |
| DobromiŁ | | daw-BRAW-meew | Polish (Rare) | |
| DobrosŁAw | | daw-BRAW-swahf | Polish | |
| DobrosŁAwa | | daw-braw-SWAH-vah | Polish | |