| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Zarathustra | zahr-ə-THOO-strə (English) | History | ||
| Zareen | - | Persian | ||
| Zaria | ZAHR-ee-ə | English (Modern) | ||
| Zartosht | - | Persian | ||
| Zavanna | zə-VAN-ə | English (Rare) | ||
| Zavia | ZAY-vee-ə, ZAYV-yə | English (Rare) | ||
| Zavier | ZAY-vee-ər, ZAYV-yər | English (Modern) | ||
| Zawisza | - | Polish (Archaic) | ||
| Zaxaria | - | Old Church Slavic | ||
| Zbignev | - | Medieval Slavic | ||
| Zbigniew | ZBEEG-nyef | Polish | ||
| Zdenka | - | Slovak, Slovene, Croatian, Czech | ||
| Zdenko | - | Slovak, Slovene, Croatian | ||
| Zdeno | - | Slovak | ||
| Zdislav | - | Czech, Medieval Slavic |