PWR may stand for:
- Parliament of the World's Religions
- Paul Weel Racing, an Australian V8 Supercar motor racing team
- Philippine Wrestling Revolution, Filipino indie pro-wrestling promotion
- Politechnika Wroclawska, Wroclaw University of Technology
- Pratt & Whitney Rocketdyne, an American company producing rocket engines
- Premiership Women's Rugby, top level of Women's rugby union in England
- Pressurized water reactor, a type of nuclear power reactor
- Preston and Wyre Joint Railway, a historic railway company in Lancashire, England
- Pro Wrestling Report
- PWR (esports), an e-sports organization
- PWR Racing, a Swedish auto racing team