| Acronym | Definition |
|---|
| IRSC | Indian River State College (Fort Pierce, FL) |
| IRSC | Internet Resources for Special Children |
| IRSC | Irish Republican Socialist Committees |
| IRSC | International Reflux Study in Children |
| IRSC | Internal Revenue Service Code |
| IRSC | Irish Red Setter Club (Ireland; dog show club) |
| IRSC | International Relations Sub-Committee |
| IRSC | Inter Racial Solidarity Campaign (Leicester, UK) |
| IRSC | Integrated Resource Solutions Consulting (Pittsburgh, PA) |
