| APIR | Academic Planning and Institutional Research 
| Others |
| APIR | Advisory Panel on Investment Responsibility
| Others |
| APIR | Aksyon Paputok Injury Reduction
| Others |
| APIR | Annual Pensioners Information Revalidation
| Others |
| APIR | Annual Program Implementation Report
| Others |
| APIR | Asia Pacific Institute of Research
| Others |
| APIR | Asia Pacific Investment Register
| Others |
| APIR | Assessment Planning Implementation and Review
| Others |
| APIR | Assessment Planning Intervention and Review
| Others |
| APIR | Assessment Prioritisation Implementation And Review
| Others |
| APIR | Assessment, Planning, Implementation & Review
| Others |
| APIR | Associate Professional in Insurance Regulation
| Others |
| APIR | Association Parisienne des Internes en Radiologie
| Others |