PWAS
| Acronym | Definition |
|---|---|
| PWAS | Public Welfare Assistance Scheme (various organizations) |
| PWAS | Prince William Art Society (est. 1971; Virginia) |
| PWAS | Piezoelectric-Wafer Active Sensor |
| PWAS | Pemco World Air Services |
| PWAS | Personal Whole-Air Sampler (atmospheric research) |
| PWAS | Peter Waldmann Amyloidose Stiftung (German: Peter Waldmann Amyloidosis Foundation; Switzerland) |