- Z39.50
- (Z)-9-octadecenoic acid
- Zabaykalsky Krai
- za bing xue fa ge
- Zabusky
- Zabusky equation
- Zabuye Caka
- zabuyelite
- Zacatecas
- Zacatecas Silvermine
- Zacharias Topelius
- Zachary Taylor
- Zach crater
- Zachlumia
- Zachman Framework
- Zachnico Code
- zaddik
- Zadeh
- Zadeh's expression
- Zadoi Xian
- Zagazig
- zag number
- Zagreb
- Zagreb School of Animation
- Zagros orogen