IRFI
| 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) |