| Vlatko | | - | Croatian, Serbian, Macedonian | |
| Zaharina | | - | Bulgarian, Macedonian | |
| Zaharinka | | - | Bulgarian, Macedonian | |
| Zdravko | | - | Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zhaklina | | - | Macedonian, Bulgarian | |
| Zharko | | - | Macedonian | |
| Zhivka | | - | Bulgarian, Macedonian | |
| Zhivko | | - | Bulgarian, Macedonian | |
| Zlata | | - | Croatian, Serbian, Slovene, Macedonian, Czech, Slovak, Russian | |
| Zlatan | | - | Croatian, Serbian, Bosnian, Macedonian, Bulgarian, Slovene | |
| Zlatko | | - | Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zoja | | ZOI-ah (Polish) | Polish, Macedonian | |
| Zora | | - | Czech, Slovak, Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zoran | | - | Croatian, Serbian, Slovene, Macedonian | |
| Zorica | | - | Serbian, Croatian, Macedonian | |