| 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) |