PWA may stand for:
- Patients' welfare association
- Pacific Western Airlines
- People With AIDS
- Pirates With Attitude, a warez release group
- Prince Willem Alexander, Crown prince of the Netherlands
- Printed Wiring Assemblies, Printed Circuit Boards
- Portuguese West Africa, now Angola
- Pure Wrestling Association, a Canadian professional wrestling promotion
- Prairie Wrestling Alliance, a Canadian professional wrestling promotion based in Edmonton
- Pro Wrestling Alliance, an independent professional wrestling promotion
- Pro Wrestling America, a defunct independent professional wrestling promotion
- Progressive Writers' Association
- Public Works Administration, a New Deal program in 1930s
- UWA/PWA Hardcore Wrestling
- Project Web Access
- Picasa Web Albums