| Abbreviation | Definition |
|---|---|
| ADMEI | Association of Destination Management Executives International |
| ADMG | Association of Deer Management Groups |
| ADMI | Association of Diagnostics Manufacturers of India |
| ADOMA | Auto Dealers Office Management Association |
| ADP | Association of Directory Publishers |
| ADPA | African Diamond Producers Association |
| ADPA | American Defense Preparedness Association |
| ADPA | Association of Dive Program Administrators |
| ADPE | Association for Dropout Prevention in Europe |
| ADPL | Association for Democracy and People's Livelihood |
| ADPO | Association des Data Protection Officers |
| ADPO | Association of Data Protection Officers |
| ADQ | Association des démographes du Québec |
| ADQ | Association des denturologistes du Québec |
| ADQ | Association Diabète Québec |
| ADRAG | Associação das Empresas de Dragagens do Norte (Portuguese: Association of Dredging Companies of the |
| ADRARE | Association pour la Découverte et la Réalisation d'Applications en Robotique et Electronique |
| ADROP | Association for Directors of Radiation Oncology Programs |
| ADRP | Association of Donor Relations Professionals |
| ADS | Association of Diesel Specialists |