RIFL
| 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 |