| Abbreviation | Definition |
|---|---|
| AI/AN | American Indians and Alaska Natives |
| AIAA | Academic Improvement and Achievement Act |
| AIANNH | American Indian/Alaska Native/Native Hawaiian |
| AID | Agency for International Development |
| AIDA | Attention Information Desire Action |
| AIL | Additional Information Letter |
| AIMS | Automated indexing management system |
| AIP | Approval In Principle |
| AIPAC | American Israel Public Affairs Committee |
| AIPRA | American Indian Probate Reform Act |
| AIS(S) | Abbreviated Injury Severity Scale |
| AISC | American Indian Student Commission |
| AIT | Application of Internal Taxes |
| AITR | Agency Information Technology Resource |
| AITS | Action Item Tracking System |
| AITS | Adopted Information Technology Standards |
| AL | Alabama |
| ALC | Agency Location Code |
| ALC | Agency Locator Code |
| ALERT | Accelerated Licensure Evaluation And Review Techniques |