| Acronym | Definition |
|---|
| PW | Palau (US postal abbreviation) |
| PW | Power Windows |
| PW | Password |
| PW | Pharrell Williams (musician) |
| PW | Pitching Wedge |
| PW | Pseudo-Wire |
| PW | Per Week |
| PW | Public Works |
| PW | Pregnant Women |
| PW | Phoenix Wright (game) |
| PW | Pocket Watch |
| PW | Persistent World (gaming) |
| PW | Psycho Ward |
| PW | Pulse Width |
| PW | Publisher's Weekly |
| PW | Plywood |
| PW | Pratt & Whitney |
| PW | Professional Web |
| PW | Professional Writing (various organizations) |
| PW | Postmenopausal Women (biology) |
| PW | Politechnika Warszawska |
| PW | Prisoner of War |
| PW | Potable Water |
| PW | Pretty Woman (movie) |
| PW | Project Work |
| PW | Patrick Wolf (musician) |
| PW | Pennywise (band) |
| PW | Prevailing Wage |
| PW | Planned Work (various companies) |
| PW | Price-Waterhouse (accounting firm) |
| PW | Pulsed Wave |
| PW | Prosecuting Witness (criminal justice) |
| PW | Precipitable Water |
| PW | Partition Wall (fire insurance) |
| PW | Permanent Way |
| PW | Process Water |
| PW | Pro-Wrestler |
| PW | Plaintiff's Witness (law) |
| PW | Piggly Wiggly (retail store) |
| PW | Proved Wrong |
| PW | Petawatt (10^15 Watts) |
| PW | Pressurized Water (plumbing) |
| PW | Panel Wiring |
| PW | Private Wire |
| PW | Place of Worship (map symbol) |
| PW | Produced Water |
| PW | Prime-Washed (coffee) |
| PW | Picowatt |
| PW | Pagewidth (assembly language ASM51 assembler control) |
| PW | Phantom Works (Boeing Corporation) |
| PW | Patient Weight |
| PW | Pistol Whipped (gaming) |
| PW | Power Walking (aerobic exercise) |
| PW | Puncture Wound |
| PW | Protest Warrior |
| PW | Profit Warning |
| PW | Peter Weller (actor) |
| PW | Projection Welding |
| PW | Position Width (noise model) |
| PW | Planetary Wave |
| PW | Providence and Worcester Railroad Company |
| PW | Positively Women (UK charity) |
| PW | Pacer Ware (US DoD) |
| PW | Pathetic Wanker |
| PW | Parent Watching |
| PW | People's Watch (human rights group; India) |
| PW | Panty Waist |
| PW | Promotion Wars (game) |
| PW | Polygon Wizards (gaming) |
| PW | Provisional Wing |
| PW | Production Waiver |
| PW | Periodic Wall |
| PW | PriceWeber (advertising company) |