| Abbreviation | Definition |
|---|---|
| ACFM | Asian Congress of Fluid Mechanics |
| ACFS | Asian Conference for Frailty and Sarcopenia |
| ACGA | Asian Corporate Governance Association |
| ACGW | Asian Chestnut Gall Wasp |
| ACGW | Asian Cynipid Gall Wasp |
| ACHA | Asian Conference on Hepatitis and AIDS |
| ACHL | Asian Citrus Holdings Limited |
| ACHR | Asian Centre for Human Rights |
| ACHR | Asian Coalition for Housing Rights |
| ACJA | Asian Canadian Journalists Association |
| ACJA | Australasian Council of Justices Associations |
| ACL | Approved Contractor List |
| ACL | Asian Composers League |
| ACLAB | Asian Conference on Lactic Acid Bacteria |
| ACLL | Asian Conference on Language Learning |
| ACMD | Asian Conference on Multibody Dynamics |
| ACMIT | Asian Center for Management And Information Technology |
| ACMT | Asian College of Management Technology |
| ACNF | Asian Consortium for NWP Forecast |
| ACP | Asian citrus psyllid |