| Abbreviation | Definition |
|---|---|
| APIL | Association of Public Interest Law |
| APIP | Association of Personal Insolvency Practitioners |
| APIP | Association of Professional Inventory Providers |
| APIPA | Arizona Physicians Independent Practice Association |
| APIPA | Association of Pacific Island Public Auditors |
| APIPA | Association of Pacific Islands Public Auditors |
| APIR | Association Parisienne des Internes en Radiologie |
| APITA | Asian Pancreas and Islet Transplant Association |
| APITA | Association of Professional Interline Travel Agencies |
| APJ | Association Philippe Jabre |
| APL | Association for Philosophy and Literature |
| APLA | American Pointing Labrador Association |
| APLA | Arizona Private Lender Association |
| APLA | Association for Political Legal Anthropology |
| APLB | Association Père Le Bideau |
| APLD | Association of Professional Landscape Designers |
| APLF | Association des Palynologues de langue franaise |
| APLF | Association des Planétariums de Langue Française |
| APLF | Association des Plantariums de Langue Franaise |
| APLF | Association of Patent Law Firms |