| Abbreviation | Definition |
|---|---|
| AIP | Associazione Italiana Pedologi |
| AIP | Australian Institute of Petroleum |
| AIP | Australian Institute of Physics |
| AIP | Italian Computer Society |
| AIP | Portuguese Industrial Association |
| AIPA | Association internationale de psychologie applique |
| AIPA | Association internationale de psychologie appliquée |
| AIPA | International Association of Applied Psychology |
| AIPC | Association Internationale des Ponts et Charpentes |
| AIPC | International Association for Bridge and Structural Engineering |
| AIPC | Internationale Vereinigung fr Brckenbau und Hochbau |
| AIPC | Internationale Vereinigung für Brückenbau und Hochbau |
| AIPG | American Institute of Professional Geologists |
| AIPnD | Associazione Italiana Prove Non Distruttive Monitoraggio Diagnostica |
| AIPnD | Italian Society for Nondestructive Testing, Monitoring and Diagnostics |
| AIQU | Asociacin de Ingenieros Qumicos del Uruguay |
| AIQU | Asociación de Ingenieros Químicos del Uruguay |
| AIQU | Association of Chemical Engineers of Uruguay |
| AIRH | Asociacin Internacional de Investigaciones Hidrulicas |
| AIRH | Asociación Internacional de Investigaciones Hidráulicas |