| Abbreviation | Definition |
|---|---|
| ARRI | Automation Robotics Research Institute |
| ARTI | Appropriate Rural Technology Institute |
| ASBI | American Segmental Bridge Institute |
| ASBI | American Shea Butter Institute |
| ASE | Aerospace Systems Engineering |
| ASFI | Association for the Study of Free Institutions |
| ASHI | American Safety And Health Institute |
| ASI | Adam Smith Institute |
| ASI | American Sanitation Institute |
| ASI | American Swedish Institute |
| ASI | Atv Safety Institute |
| ASI | The American Swedish Institute |
| ASI | The Architects And Surveyors Institute |
| ASIDSI | American Sudden Infant Death Syndrome Institute |
| ASII | Athena Summer Innovation Institute |
| ASLI | Asian Strategy Leadership Institute |
| ASMI | American Sports Medicine Institute |
| ASMI | Australian Skills Management Institute |
| ASPI | Applied Science and Performance Institute |
| ASPI | Asia Society Policy Institute |