| Abbreviation | Definition |
|---|---|
| IUSA | Indiana University Student Association |
| IUSS | International Undergraduate Student Scholarship |
| IVSU | Illinois Vietnamese Student Union |
| IWSO | Infinite Way Students of the Ozarks |
| JBP | John Baylor Prep |
| JCSF | Joint Committee on Student Finance |
| JCUSA | James Cook University Student Association |
| JEPES | Job Experience Program For Elementary Students |
| JISA | Japanese International Students Association |
| JISA | Japanese International Students' Association |
| JNVP | Jawahar Navodaya Vidyalaya, Pedavegi |
| JOSA | Journal of Student Affairs |
| JSA | Jewish Student Activism |
| JSA | Jewish Student Association |
| JSA | JIBS Student Association |
| JSAC | Jaguar Student Activities Center |
| JSAF | Jenny Student Aid Fund |
| JSAP | Jones Student Association for Professionals |
| JSSA | Jewish Studies Student Association |
| JSSF | Jeay Sindh Student Federation |