| Abbreviation | Definition |
|---|---|
| AACA | Atlanta Air Cargo Association |
| AACA | Atlanta Area Compensation Association |
| AACB | Association of Australian Convention Bureaux |
| AACBS | Association to Advance Collegiate Schools of Business (accrediting agency) |
| AACC | American Association for Clinical Chemistry |
| AACC | Americas Association for the Care of Children |
| AACCC | Association des Amis du Centre de Cancerologie |
| AACCD | Akobo Anyuak Coordination Council in Diaspora |
| AACCI | American Association of Cereal Chemists International |
| AACCI | Association of Adolescent and Child Care in India |
| AACD | Arkansas Association of Conservation Districts |
| AACD | Association of Anesthesia Clinical Directors |
| AACE | Alabama Association of Colleges and Employers |
| AACE | American Association of Cat Enthusiasts |
| AACE | American Association of Clinical Endocrinologists |
| AACE | American Association of Confused Engineers |
| AACE | American Association of Cost |
| AACE | American Association of Cost Engineers |
| AACE | Arkansas Association of Colleges and Employers |
| AACF | Association of the Adjunct Clinical Faculty |