| Abbreviation | Definition |
|---|---|
| APAREM | Asia Pacific Association for Research on Eye Movements |
| APARRI | Asian Pacific American Religions Research Initiative |
| APASL | Asian Pacific Association for the Study of the Liver |
| APER | Association for Primary Education and Research |
| APERC | Advanced Power and Electricity Research Center |
| APERC | Advanced Power Electricity Research Center |
| APGR | Atmospheric Potential and Gradient Research |
| API | Agri-Processing Index |
| APOR | Association for Patient Oriented Research |
| APOR | Association for Pharmacoeconomics and Outcomes Research |
| APOR | Association for Pharmacoeconomics and Outcomes Research |
| APORD | Advertising and Public Opinion Research Directorate |
| APPAR | Asia Pacific Participatory Action Research |
| APPEAR | Ancient Panel Paintings Examination Analysis and Research |
| APRA | Adrian Piper Research Archive |
| APRA | Agricultural Policy Research in Africa |
| APRC | Applied Polymer Research Center |
| APRC | Asia Pacific Research Centre |
| APRC | Asia Pacific Research Committee |
| APRC | Automotive Policy Research Centre |