PWA
- Microsoft Project Server
- Pacific Western Airlines
- Partial wave analysis
- Patients' Welfare Association
- People With AIDS
- People with albinism
- Picasa Web Albums
- Pirates with Attitudes
- Portuguese West Africa
- Prairie Wrestling Alliance
- Pro Wrestling America
- Pro Wrestling Women's Alliance
- Progressive Writers' Association
- Progressive web app
- Provincial Waterworks Authority
- Public Works Administration
- Reality of Wrestling
- The Polytechnic of Western Australia
- Wiley Post Airport
- Windsurfing