| Abbreviation | Definition |
|---|---|
| ACRIS | Aalto Current Research Information System |
| ACRIS | Advanced Clinical Research Information Systems |
| ACRJ | Asian Case Research Journal |
| ACRP | Assoc of Clinical Research Professionals |
| ACRPI | Africa Call for Research Papers Initiative |
| ACRPI | Association for Clinical Research in the Pharmaceutical Industry |
| ACRS | Amphibian Conservation Research Symposium |
| ACRS | Ancient Culture Research Society |
| ACRS | Australian Camellia Research Society |
| ACRU | Acute Care Research Unit |
| ACRU | AIDS Clinical Research Unit |
| ACTI | American Combustion Technology Industry |
| ACVR | Annual Conference on Vaccine Research |
| ACVR | Annual Conference on Vaccinology Research |
| ADAPT | Arctic Development and Adaptation to Permafrost in Transition |
| ADAR | Advancing Diversity in Aging Research |
| ADARC | Alcohol and Drug Abuse Research Center |
| ADARC | Alcohol Drugs and Addiction Research Centre |
| ADARSH | Agricultural Development and Research Super House |
| ADB | Asian Development Bank |