- Z ... Zaev, Zoran
- Zafadola ... Zákynthos
- Zala ... Zanātah
- Zanbere River ... zapote
- Zapotec ... Zavoysky, Yevgeny Konstantinovich
- Ẓawāhirī, Ayman al- ... Zeebrugge Raid
- Zeeland ... zemi
- Zemlinsky, Alexander ... Zeraʿim
- Zerbo, Saye ... Zeya-Bureya Plain
- Zeyārid dynasty ... Zhao Youqin
- Zhao Yuanhao ... Zhongfu
- Zhonggar Alataū Range ... Zhu Zhucha
- Zhuan falun ... Zika fever
- Zika virus ... zink
- Zinkernagel, Rolf M. ... Ziz
- Zizania ... Zolotoye Runo
- zolpidem ... Zoologischer Garten und Aquarium Berlin
- Zoologischer Garten Zürich ... Zozobra
- ZPE ... Zuloaga y Zabaleta, Ignacio
- Zuloaga, Ignacio ... Zvyahel
- Zwaanendael ... ZZ Top