| 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) |