CWS
CWS may refer to:
Environment
- Canadian Wildlife Service, part of Environment and Climate Change Canada
 - Currumbin Wildlife Sanctuary, Queensland, Australia
 - County Wildlife Site, local reserve status
 
Baseball
- Chicago White Sox, a Major League Baseball team
 - College World Series, the eight-team final phase of the annual NCAA Division I baseball tournament
 - Caribbean World Series, a yearly tournament
 
Cooperatives
- Church World Service, a cooperative humanitarian ministry
 - The Co-operative Group, formerly Co-operative Wholesale Society, a consumer co-operative in the United Kingdom
 - Co-operative wholesale society, a form of co-operative federation
 
Technology
- Centralne Warsztaty Samochodowe, a Polish pre-war automobile manufacturer
- CWS T-1, the first serially built car manufactured in Poland
 
 - Control Wheel Steering, an autopilot mode where the pilot controls the autopilot through the yoke
 - CoolWebSearch, spyware
 
Military
- Chemical Warfare Service, a U.S. Army service branch, later known as Chemical Corps
 - Commander's Weapon Station, the aiming and firing system for the Commander's machine gun on the M1 Abrams tank
 
Other
- Calfrac Well Services, an oilfield servicing company
 - Celebrity worship syndrome, an obsessive-addictive disorder in which a person becomes overly involved with the details of a celebrity's personal life
 - Christian Worship: Supplement, a hymnal used by the WELS
 - Chronic wasting disease, a transmissible disease affecting deer and other cervid animals
 - Compressed work schedule, a term for the four-day workweek
 
See also
- CWSDPMI, a DOS extender by Charles W. Sandmann