AIIS
| Acronym | Definition |
|---|---|
| AIIS | American Institute of Indian Studies |
| AIIS | American Institute for International Steel |
| AIIS | American Institute of International Studies (California) |
| AIIS | Anterior Inferior Iliac Spine |
| AIIS | Automated Issue Identification System |
| AIIS | Automated Information Infrastructure System |
| AIIS | Artificial Intelligence Software Agent |
| AIIS | Ameritec Information Industry Services |