NIRSC
| Acronym | Definition |
|---|---|
| NIRSC | National Incident Radio Support Cache |
| NIRSC | National Interagency Radio Support Cache |
| NIRSC | Northern Ireland Region of Shopping Centres (est. 1989; UK) |
| NIRSC | Non-Ionizing Radiation Safety Committee (California) |
| NIRSC | National Information and Referral Support Center (Washington, DC) |