| Acronym | Definition |
|---|
| IRFI➣Islamic Research Foundation International (Louisville, KY) |
| IRFI➣International Runway Friction Index (aircraft braking predictor) |
| IRFI➣International Review of Finance |
| IRFI➣Istituto Romano Formazione Imprenditoriale (Italian: Roman Entrepreneurial Training Institute; Rome, Italy) |
| IRFI➣Illinois Recreation Facilities Inventory (Illinois Department of Natural Resources) |