| RFL | Radio Frequency Locking 
| Others |
| RFL | Rangpur Foundry Limited
| Others |
| RFL | Rangpur Foundry Ltd
| Others |
| RFL | Reaching For Life Ministries
| Others |
| RFL | Reading for Life
| Others |
| RFL | Reading in a Foreign Language
| Others |
| RFL | Real Freakin Loud
| Others |
| RFL | Really Friggin Loud
| Others |
| RFL | Rear Fog Lamp
| Others |
| RFL | Rear Frame Length
| Others |
| RFL | Reason for Leaving
| Others |
| RFL | Rebel Football League
| Others |
| RFL | Received Feeder Loss
| Others |
| RFL | Recency, Frequency, And Lifetime
| Others |
| RFL | Recent File List
| Others |
| RFL | Red Flag Linux
| Others |
| RFL | Reflect
| Others |
| RFL | Refuel
| Others |
| RFL | Regional Foundation Library
| Others |
| RFL | Relay For Life
| Others |
| RFL | Remote Fuel Lid
| Others |
| RFL | Request From Left
| Others |
| RFL | Resistive Fault Locate
| Others |
| RFL | Resistive Fault Location
| Others |
| RFL | Resorcinol Formaldehyde Latex
| Others |
| RFL | Resorein Formalin Latex
| Others |
| RFL | Resources For Living
| Others |
| RFL | Restrictive Fire Line
| Others |
| RFL | Revue Francophone des Laboratoires
| Others |
| RFL | Rider For Life
| Others |
| RFL | Road Fund Licence
| Others |
| RFL | Road Fund License
| Others |
| RFL | Robot Fighting League
| Others |
| RFL | Robot Football League
| Others |
| RFL | Robotic Fabrication Laboratory
| Others |
| RFL | Rockville Football League
| Others |
| RFL | Romo for life
| Others |
| RFL | Room food limited
| Others |
| RFL | Rossbrook Football League
| Others |
| RFL | Royalty Free License
| Others |
| RFL | Rubik Financial Limited
| Others |
| RFL | Rugby Football League
| Others |
| RFL | Run For Lacey
| Others |
| RFL | Runners For Life
| Others |
| RFL | Ruppert Fux Landmann
| Others |