| Acronym | Definition |
|---|
| PWI➣Pro Wrestling Illustrated (magazine) |
| PWI➣Pro Wrestling Iron |
| PWI➣Perfusion-Weighted Imaging (application of magnetic resonance imaging) |
| PWI➣Projects with Industry |
| PWI➣Penson Worldwide, Inc. (various locations) |
| PWI➣Permanent Way Institution |
| PWI➣Produced Water Injection (oilfield technology) |
| PWI➣Perfect World International (gaming) |
| PWI➣Pacific WebWorks, Inc. (Salt Lake City, UT) |
| PWI➣Partnerships with Industry (San Diego, CA) |
| PWI➣Parenting with Intention |
| PWI➣Panhandle Windstorm Inspections (Tallahassee, FL) |
| PWI➣Posting While Intoxicated |
| PWI➣Predominantly-White Institution |
| PWI➣Public Windows Interface |
| PWI➣Public Waters Inventory |
| PWI➣Piedmont Wilderness Institute (South Carolina) |
| PWI➣Pure Worldwide Internet |
| PWI➣Proximity Warning Indicator (aviation) |
| PWI➣Power Indication |
| PWI➣People Web International (est. 2009) |
| PWI➣Picasa Webalbum Integrator (web tool) |
| PWI➣Pacific Wellness Institute (Toronto, ON, Canada) |
| PWI➣Polar Plasma Wave Investigation |
| PWI➣ProcessWise Integrator |
| PWI➣Primarily White Institution |
| PWI➣Potable Water Intake |
| PWI➣EO Paton Electric Welding Institute (Kiev, Ukraine) |
| PWI➣Process Work Instruction |
| PWI➣Pilot Warning Indicator |
| PWI➣Plutonium Waste Incinerator (SRS) |
| PWI➣ProWrestling Insider |
| PWI➣Paid When Incurred |
| PWI➣Pulse-Width Inspection |
| PWI➣Product Waste Indicator |