| Acronym | Definition |
|---|
| APR | April |
| APR | Annual Percentage Rate |
| APR | Agency Procurement Request |
| APR | Approach (aviation) |
| APR | Acquisition(s) Procurement Request |
| APR | Accountability Progress Reporting |
| APR | Asia Pacific Region (IEEE) |
| APR | Alaska and Polar Regions |
| APR | Apache Portable Runtime |
| APR | Annual Performance Report |
| APR | Annual Progress Report |
| APR | Advanced Port Replicator (portable computer dock) |
| APR | American Poetry Review |
| APR | academic progress rate (education) |
| APR | Air Purifying Respirator(s) |
| APR | African Peer Review |
| APR | Annual Product Review |
| APR | Acute Phase Response |
| APR | Alternative Press Review |
| APR | Accreditation in Public Relations |
| APR | American Politics Research |
| APR | American Public Radio |
| APR | Annual Program Review |
| APR | Agricultural Preservation Restriction |
| APR | Academic Performance Rate |
| APR | Arbeitsgemeinschaft Privater Rundfunk |
| APR | ARP Poison Routing (network security) |
| APR | Association of Postconsumer Plastic Recyclers (Arlington, VA) |
| APR | Automatic Picture Replacement (computer graphics) |
| APR | Airport Representative (hotel industry) |
| APR | Above Prime Rate |
| APR | Autumn Performance Report (UK government) |
| APR | Adult Plant Resistance |
| APR | Automatic Power Reserve |
| APR | Area of Primary Responsibility |
| APR | Automatic Power Reduction |
| APR | Artists' Papers Register (UK) |
| APR | Appareil de Protection Respiratoire (French) |
| APR | Automated Password Reset |
| APR | Audi Performance and Racing |
| APR | Ammonium Perrhenate |
| APR | Alternate Path Retry |
| APR | Arbeitsdatei PIOS Rauschgift |
| APR | Apolipoprotein Receptor |
| APR | Airborne Profile Recorder |
| APR | Airman Performance Report (USAF) |
| APR | Asia Pacific Rainbow (Coalition of Asia Pacific Regional Networks on HIV/AIDS) |
| APR | Automatic Pressure Relief |
| APR | Attending Physician's Report (insurance) |
| APR | Appian Publications and Recordings (UK) |
| APR | Alarm Processing Remote |
| APR | Adjusted Pitching Runs (arcane baseball statistic) |
| APR | Association of Petroleum Re-Refiners |
| APR | Acoustic Paramagnetic Resonance |
| APR | Ashland Park-Robbins (school) |
| APR | Analyse et Programmation (French) |
| APR | Analyse Préliminaire de Risque (French) |
| APR | Adaptive Power Residue |
| APR | assign primary zone routing (US DoD) |
| APR | Active Position Return |
| APR | Accredited, Public Relations Society of America |
| APR | Aberdeen Pulsed Reactor Facility |
| APR | Abdominoperitoneal Resection |
| APR | Approval and Procurement Record |
| APR | Automated Product Request |
| APR | Adaptive Plot Refinement |
| APR | Assembly Planning Review |
| APR | Advance Production Release |
| APR | Agricultural Plastics Recycle |
| APR | Acoustic Product Request |
| APR | Accident-Potential Recognition |
| APR | Asociación del Padre Responsable (Guatemala parental support group) |
| APR | Acquisition Planning Records |
| APR | Antenna Pedestal Reflector |
| APR | Ammunition Performance Report |
| APR | Atomic Power Robot (Earthbound game) |
| APR | Asynchronous Persistent Repetition |
| APR | Audiovisual Production Requirements |
| APR | Automatic Parts Remover |