| Acronym | Definition |
|---|
| PWB | Printed Wiring Board |
| PWB | Psychological Warfare Branch (Allied Forces Headquarters; US and UK) |
| PWB | Public Web Browser |
| PWB | Power Bus |
| PWB | Printed Wire Board |
| PWB | Programmer'S Workbench |
| PWB | Princeton Weekly Bulletin (Princeton University; Princeton, NJ) |
| PWB | Personal Well Being |
| PWB | Positive Well-Being (psychology) |
| PWB | Partial Weight Bearing |
| PWB | Programmers Work Bench |
| PWB | Picture Window Books (children's publishing) |
| PWB | Production Wing Block (energy production) |
| PWB | Preset White Balance (cameras) |
| PWB | Positively Wellington Business (Wellington, New Zealand) |
| PWB | Prestigious West Bloomington (Bloomington, MN) |
| PWB | Performers Without Borders |
| PWB | Please Write Back |
| PWB | Partnership with Business (Future Business Leaders of America) |
| PWB | Paraffin Wax Bath |
| PWB | Planning Work Bench (Bellcore) |
| PWB | Pulling Whaleboat (US Navy) |