| Abbreviation | Definition |
|---|---|
| APO | Authorized Personnel Only |
| APOI | Asphalt Project-Oriented Industry |
| APOP | A Piece Of Property |
| APP | APPlication |
| APPLE | Arrogance Produces Profit Losing Entity |
| APPR | Annual Professional Performance Review |
| APPRO | Approval |
| APPT | Appointment |
| APPT | Appropriate |
| APQ | Absolutely Positively Quality |
| APQA | Auditing Process Quality Assurance |
| APQP | Advance Product Quality Planning |
| APQP | Advanced Product Quality Planning |
| APR | Accelerated Pipeline Replacement |
| APR | Accredited Public Relations |
| APR | Annual Percentage Rate |
| APRU | All Purpose Robotic Unit |
| APS | Administration Planning and Statistics |
| APS | Advanced Planning Systems |
| APS | Approved Program Sequence |