| Acronym | Definition |
|---|
| AISA➣All India Students' Association (politics) |
| AISA➣American Indian Scouting Association (est. 1956) |
| AISA➣Australian Information Security Association (est. 1999; trade association) |
| AISA➣Afghanistan Investment Support Agency |
| AISA➣Africa Institute of South Africa |
| AISA➣Acquired Idiopathic Sideroblastic Anemia (disorder) |
| AISA➣American Indian Student Association |
| AISA➣Association of International Schools in Africa (Nairobi, Kenya) |
| AISA➣Alabama Independent School Association |
| AISA➣American Institute for Shippers' Associations, Inc. |
| AISA➣American International School of Abu-Dhabi (Abu Dhabi, UAE) |
| AISA➣Artificial Intelligence Smart Agents |