| Acronym | Definition |
|---|
| IRFC➣International Rail Freight Conference (annual conference) |
| IRFC➣Indian Railway Finance Corporation Ltd |
| IRFC➣Ichinomiya Rugby Football Club (Aichi, Japan) |
| IRFC➣Indian Railways Fan Club (India) |
| IRFC➣Initial Response Force Commander |
| IRFC➣Iterative Relative Fuzzy Connectedness (algorithm) |
| IRFC➣Initial Regulatory Flexibility Certification (US FCC) |