| Abbreviation | Definition |
|---|---|
| PWBA | Pension and Welfare Benefits Administration |
| PWD | People With Disabilities |
| PWD | Prevailing Wage Determination |
| PWE | Practical Work Experience |
| PWG | Pathology Working Group |
| PWG | President’s Working Group on Financial Markets |
| PWG | President's Working Group |
| PWG | Presidents Working Group on Financial Markets |
| PWOD | Proceed WithOut Delay |
| PWR | Pressurized Water Reactor |
| PWRCR | Patuxent Wildlife Research Center and Refuge |
| PWTF | Public Works Trust Fund |
| PXE | Proof and Experimental Establishment |
| PY | Program Year |
| PZE | Project Zero-baseline Estimate |
| Q | Quality |
| Q&D | Quick and Dirty |
| QAA | Quality Assurance Agency |
| QAC | Quality Air Control |
| QAF | Quality Assurance Function |