| Abbreviation | Definition |
|---|---|
| ACWC | Asheville Christian Writers Conference |
| ACWE | American Conferences On Wind Engineering |
| ACWE | Americas Conference on Wind Engineering |
| ADA | International IEEE Conference on ADA Applications and Environments |
| ADAC | Aesthetic Dermatology Academy Conference |
| ADAS | Annual Diagnosis Arthritis Symposium |
| ADC | Audio Developer Conference |
| ADCS | Australasian Document Computing Symposium |
| ADE | Amsterdam Dance Event |
| ADHOC | Advanced Developers Hands on Conference |
| ADHOC | Advanced Developers Hands-On Conference |
| ADMC | Academic Design Management Conference |
| AEC | Annual Education Conference |
| AECC | Aberdeen Exhibition and Conference Centre |
| AECE | African Enterprise Conference and Exhibition |
| AEGC | Australasian Exploration Geoscience Conference |
| AEGC | Australian Exploration Geoscience Conference |
| AERC | Adult Education Research Conference |
| AETC | Advanced Engineering Technology Conference |
| AFB | Arbeit Fur Bremen |