| Abbreviation | Definition |
|---|---|
| ADAA | African Development Aid Association |
| ADAA | Alberta Dental Assistants Association |
| ADAA | Anxiety Disorders Association of America |
| ADAC | Alzheimers Disease Assistance Coalition |
| ADAF | Australian Disability Achievement Foundation |
| ADAM | American Divorce Association for Men |
| ADAPT | Able Disabled All People Together |
| ADAPT | American Disabled for Attendant Programs Today |
| ADBW | Abu Dhabi Business Women |
| ADCB | Association pour le Developpement Communautaire de Barkly |
| ADDA | Attention Deficit Disorder Association |
| ADEA | American Dental Education Association |
| ADEA | Australian Diabetes Educators Association |
| ADETTI | Associa????o para o Desenvolvimento das Telecomunica????es e T??cnicas de Inform??tica (Portugal) |
| ADETTI | Associação para o Desenvolvimento das Telecomunicações e Técnicas de Informática (Portugal) |
| ADF | African Development Foundation |
| ADF | Alliance Defense Fund |
| ADF | Awam Development Foundation |
| ADFC | Abu Dhabi Fighting Championship |
| ADFH | Association Des Familles Homoparentales |