- ZKS stands for Zero-Knowledge Systems
- ZKS stands for Zentrum Klinische Studien (German: Clinical Trials Center)
- ZKS stands for Zentrale Koordination Sportpsychologie (German: Coordination Center of Sport Psychology)
- ZKS stands for Zwiazkowy Klub Strzelecki (Polish: United Shooting Club, Warsaw, Poland)
Abbreviations And Their Meaning