| Abbreviation | Definition |
|---|---|
| ACLC | Association of Confessional Lutheran Churches |
| ACLE | All China Leather Exhibition |
| ACLL | Asian Conference on Language Learning |
| ACMC | Arizona Confederation of Motorcycle Clubs |
| ACMC | Australasian Computer Music Conference |
| ACMD | Asian Conference on Multibody Dynamics |
| ACMMC | Asean Chiefs of Military Medicine Conference |
| ACNC | Australasian Cognitive Neuroscience Conference |
| ACNS | American Conference on Neutron Scattering |
| ACOH | Asian Conference of Occupational Health |
| ACOLS | Australian Conference on Optics Lasers and Spectroscopy |
| ACOP | American Conference on Pharmacometrics |
| ACOR | American Conference On Oriental Rugs |
| ACOSA | Annual Conference on Successful Aging |
| ACOT | Arkansas Conference Of Technology |
| ACPI | Academic Conferences and Publishing International |
| ACPL | Asheron's Call Player Luncheon |
| ACPN | Asian Conference of Pediatric Nutrition |
| ACPR | Asian Conference On Pattern |
| ACPR | Asian Conference on Pattern Recognition |