| Acronym | Definition |
|---|
| ZS | Zoological Society (UK) |
| ZS | Source Impedance |
| ZS | Zend Studio (Zend) |
| ZS | Zellweger Syndrome |
| ZS | Zero Scale |
| ZS | Zombie Squad |
| ZS | Zeptosecond (10 to the power -21 of a second) |
| ZS | Zagat Survey |
| ZS | Zamil Steel |
| ZS | Zürcher Studentin (student newspaper in Zürich, Switzerland) |
| ZS | Zeitsoldat (German) |
| ZS | Zelda: Mystery of Solarus (game) |
| ZS | Zakharov-Shabat (scattering) |
| ZS | Zero and Subtract |
| ZS | Navy Airship Scouting Squadron (US Navy aviation unit designation used from 1920s to 1940s) |
| ZS | Zoltner and Sinha (founders of ZS Associates, a global management consulting firm) |
| ZS | Zonal Slot |