| Zala | | - | Slovene | |
| Zdenka | | - | Slovak, Slovene, Croatian, Czech | |
| Zdenko | | - | Slovak, Slovene, Croatian | |
| Zdravka | | - | Croatian, Serbian, Slovene | |
| Zdravko | | - | Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zlata | | - | Croatian, Serbian, Slovene, Macedonian, Czech, Slovak, Russian | |
| Zlatan | | - | Croatian, Serbian, Bosnian, Macedonian, Bulgarian, Slovene | |
| Zlatko | | - | Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zora | | - | Czech, Slovak, Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zoran | | - | Croatian, Serbian, Slovene, Macedonian | |
| Zorka | | - | Czech, Slovak, Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zvezdana | | ZVEZ-dah-nah (Serbian) | Serbian, Slovene | |