| Acronym | Definition |
|---|
| RIFL➣Revolution in Fiber Lasers (US DARPA) |
| RIFL➣Rapid Integration Flow Language |
| RIFL➣Rigid Intubating Fiberoptic Laryngoscope (AI Medical Devices, Inc.) |
| RIFL➣Regina Intercollegiate Football League (Regina, Saskatchewan, Canada) |
| RIFL➣Reversible In-Flight Lock |
| RIFL➣Reading Is for Losers |