PCWS
| Acronym | Definition |
|---|---|
| PCWS | Pakistan Christian Welfare Society |
| PCWS | Pacific Crest Wind Symphony (Portland, Oregon) |
| PCWS | Public Community Water System |
| PCWS | Presbyterian Church of Western Springs (Illinois) |
| PCWS | Personal Computer Work Station |
| PCWS | Pitch Control Wheel Steering |
| PCWS | Project on Cold War Studies (est. 1997; Harvard University; Cambridge, MA) |