| Zlatica | | - | Croatian, Czech, Slovak | |
| Zlatko | | - | Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zoe | | ZO-ee (English), DZO-e (Italian) | English, Greek, Italian, Ancient Greek | |
| Zoja | | ZOI-ah (Polish) | Polish, Macedonian | |
| Zola (2) | | - | Southern African, Zulu | |
| ZoltÁN | | ZOL-tahn | Hungarian | |
| Zopyros | | - | Ancient Greek | |
| Zora | | - | Czech, Slovak, Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zoraida | | - | Spanish | |
| Zoran | | - | Croatian, Serbian, Slovene, Macedonian | |
| Zorana | | - | Croatian, Serbian | |
| Zorica | | - | Serbian, Croatian, Macedonian | |
| Zorka | | - | Czech, Slovak, Croatian, Serbian, Slovene, Bulgarian, Macedonian | |
| Zornitsa | | - | Bulgarian | |
| Zosime | | - | Ancient Greek | |