| Abbreviation | Definition |
|---|---|
| AIPI | American Indian Policy Institute |
| AIPI | Australian Institute of Professional Investigators |
| AIPP | Australian Institute of Professional Photographers |
| AIPP | Australian Institute of Professional Photography |
| AIPS | American Institute for Paralegal Studies |
| AIPS | American Institute of Pakistan Studies |
| AIPS | American Institute Of Pharmaceutical Sciences |
| AIPS | American Institute Of Professional Studies |
| AIPS | Australian Institute of Policy and Science |
| AIPS | Australian Institute of Public Safety |
| AIPT | Aston Institute of Photonic Technologies |
| AIPT | Australian Institute of Personal Trainers |
| AIPX | Art Institute of Phoenix |
| AIR | American Institute of Research |
| AIR | American Institutes for Research |
| AIR | Atlantic Institute for Resilience |
| AIR | Australian Institute of Radiography |
| AIRC | American Institute for Roman Culture |
| AIRD | Asian Institute for Rural Development |
| AIRE | Appalachian Institute for Renewable Energy |