| Dalibor | | - | Czech, Slovak, Croatian, Serbian, Slovene, Medieval Slavic | |
| Daliborka | | - | Croatian, Serbian, Slovene | |
| Damijan | | - | Slovene | |
| Damijana | | - | Slovene | |
| Damir | | DAH-meer (Croatian, Serbian) | Croatian, Serbian, Slovene | |
| Damjan | | - | Slovene, Croatian, Serbian, Macedonian | |
| Damjana | | - | Slovene, Serbian, Macedonian | |
| Danica | | - | Serbian, Croatian, Slovene, Slovak, Czech, Macedonian, English | |
| Danijel | | - | Slovene, Croatian, Serbian | |
| Danijela | | - | Slovene, Croatian, Serbian | |
| Danilo | | - | Italian, Portuguese, Spanish, Slovene, Serbian, Croatian | |
| Darija | | - | Croatian, Serbian, Slovene | |
| Darinka | | - | Slovene, Croatian | |
| Darja | | - | Slovene, Czech | |
| Darko | | - | Croatian, Serbian, Slovene, Macedonian | |