| Rank | Abbreviation | Meaning |
|---|
| ***** | ACPR | Adjacent Channel Power Ratio
| |
| **** | ACPR | Adjacent-Channel Power Rejection
| |
| ** | ACPR | Adjacent Channel Protection Ratio
| |
| ** | ACPR | Ariel Center for Policy Research
| |
| * | ACPR | Annular Core Pulse Reactor
| |
| * | ACPR | Autorité de contrôle prudentiel et de résolution
| |
| * | ACPR | Advanced Core Performance Reactor
| |
| * | ACPR | Advanced Configuration and Power
| |
| * | ACPR | Alianta Confederatiilor Patronale din Romania
| |
| * | ACPR | Annual energy Conservation Performance Report
| |
| * | ACPR | Average-Case Performance Ratio
| |
| * | ACPR | American Council on Public Relations
| |
| * | ACPR | Adjacent Channel Power Ration
| |
| * | ACPR | automated cell pattern recognition
| |
| * | ACPR | Association Culturelle Paul Renotte
| |
| * | ACPR | Australian Centre for Policing Research
| |
| * | ACPR | Alianţei Confederaţiilor Patronale din România
| |
| * | ACPR | Association of Professional Regulatory
| |
| * | ACPR | Australian Centre for Population Research
| |
| * | ACPR | Advisory Committee of Permanent Representatives
| |
| * | ACPR | Asian Consortium for Political Research
| |
| * | ACPR | Australian Cardiac Procedures Registry
| |
| * | ACPR | Advisory Committee of Permanent
| |
| * | ACPR | annular core pulsed reactor
| |
| * | ACPR | American Crossbred Pony Registry
| |