| Bronislav | | brah-nee-SLAHF (Russian) | Czech, Slovak, Russian, Medieval Slavic | |
| Bronislava | | brah-nee-SLAH-vah (Russian) | Czech, Slovak, Russian | |
| CecÍLia | | - | Portuguese, Slovak, Hungarian | |
| Ctirad | | - | Czech, Slovak | |
| Cyril | | SIR-əl (English), SEER-əl (English), TSI-ril (Czech) | English, French, Czech, Slovak | |
| DÁVid | | - | Hungarian, Slovak | |
| Dagmar | | DAHK-mahr (German), DAHG-mahr (Finnish) | Danish, Swedish, Norwegian, Icelandic, German, Czech, Slovak, Finnish | |
| Dalibor | | - | Czech, Slovak, Croatian, Serbian, Slovene, Medieval Slavic | |
| Dalimil | | - | Czech, Slovak | |
| Dana (1) | | DAH-nah (Czech, Slovak, German) | Romanian, Czech, Slovak, German, Hebrew | |
| Danica | | - | Serbian, Croatian, Slovene, Slovak, Czech, Macedonian, English | |
| 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 | |
| Daniela | | dahn-YE-lah (German) | Italian, German, Czech, Slovak, Romanian, Portuguese, Spanish, Bulgarian, Macedonian, English | |
| Danka | | - | Serbian, Slovak, Polish | |
| Darina (2) | | - | Czech, Slovak, Bulgarian | |