PWIS
| Acronym | Definition |
|---|---|
| PWIS | Paint-Wetting Impairment Substances |
| PWIS | Personal, Workplace and Institutional Services (Fidelity Investments) |
| PWIS | Prisoner of War Information System |
| PWIS | Possession with Intent to Supply (drug charge) |
| PWIS | Prisoner of War Interrogation Section (German WWII POW camp, England) |
| PWIS | Politics with International Studies (University of Greenwich; London, England, UK) |
| PWIS | Public Works Information System |