| 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 |