PSWT
| Acronym | Definition |
|---|---|
| PSWT | PSW Technologies (stock symbol) |
| PSWT | Pitch-Synchronous Wavelet Transform |
| PSWT | Primary Shield Water Tank |
| PSWT | Pahang-Selangor Water Transfer |
| PSWT | Protection Storage Water Tank |
| PSWT | Parents and Staff Working Together (parent-teacher organization; California School for the Deaf, Riverside, CA) |