| Abbreviation | Definition |
|---|---|
| ISSF | International Student Subsidy Fund |
| ISSI | International Student and Scholar Institute |
| ISSI | International Student Summer Institute |
| ISSI | International Student Support Initiative |
| ISSIS | International Student Scholar and Immigration Services |
| ISSO | International Scholars and Students Office |
| ISSO | International Student And Scholar Office |
| ISSO | International Student Scholar Office |
| ISSO | International Student Services Office |
| ISSO | International Students And Scholars Office |
| ISSP | Industrial Student Support Program |
| ISSP | Industry Supported Student Project |
| ISSP | Institute for Student Services Professionals |
| ISSP | International Special Student Program |
| ISSP | International Sponsored Student Program |
| ISSP | International Student And Scholar Programs |
| ISSP | International Student Services And Programs |
| ISSS | Interdisciplinary Science Students Society |
| ISSU | Indigenous Studies Student Union |
| ISSU | Indigenous Studies Students Union |