| Abbreviation | Definition |
|---|---|
| ACIS | Asociacin Colombiana de Ingenieros de Sistemas |
| ACIS | Asociación Colombiana de Ingenieros de Sistemas |
| ACIS | Australasian Colloid and Interface Society |
| ACIS | Colombian Association of Systems Engineers |
| ACJS | Association d'Études Juives Canadiennes |
| ACJS | Association d'tudes Juives Canadiennes |
| ACJS | Association for Canadian Jewish Studies |
| ACL | Academia das Ciências de Lisboa |
| ACL | Academia das Cincias de Lisboa |
| ACL | Academy of Sciences of Lisbon |
| ACLA | American Comparative Literature Association |
| ACLALS | Association for Commonwealth Literature and Language Studies |
| ACLS | American Council of Learned Societies |
| ACMS | Alternative Comedy Memorial Society |
| ACMS | American Chinese Medical Society |
| ACMS | Australian Clay Minerals Society |
| ACMS | Australian Computer Museum Society |
| ACMSA | Allegheny County Medical Society Alliance |
| ACMSF | Allegheny County Medical Society Foundation |
| ACMV | Association Canadienne des Mdecins Vtrinaires |