AISU
| Acronym | Definition |
|---|---|
| AISU | American Indian Student Union (various locations) |
| AISU | Arab Iron and Steel Union |
| AISU | Advanced International Studies Unit (College Park, MD) |
| AISU | Aboriginal and Islander Support Unit (est. 1996; Australia) |
| AISU | Artificial Intelligence Student Union |
| AISU | Advanced Integrated Sight Unit |