PWA may refer to:

Aviation Wiley Post Airport (IATA airport code), Oklahoma City, Oklahoma, U.S. Pacific Western Airlines

Computing Pirates with Attitudes, a warez release group Picasa Web Albums Progressive web app Project Web Access, later renamed Project Web App, a component of Microsoft Project Server

Organizations Provincial Waterworks Authority, a Thai state water supply company Public Works Administration, the construction agency of the US New Deal program Patients' Welfare Association in Karachi, Pakistan Progressive Writers' Association, in pre-partition India The Polytechnic of Western Australia

Sports Professional Windsurfers Association; see Windsurfing Prairie Wrestling Alliance, a Canadian professional wrestling promotion based in Edmonton Reality of Wrestling or Pro Wrestling Alliance, a US independent professional wrestling promotion Pro Wrestling America, a defunct independent professional wrestling promotion

Other uses People With AIDS, an initialism People with albinism, an initialism Portuguese West Africa, now Angola Partial wave analysis, a technique in quantum mechanics

See also Pro Wrestling Women's Alliance