| Acronym | Definition |
|---|
| FRL➣Fixed Rate Loan |
| FRL➣Friesland |
| FRL➣Filter, Regulator, Lubricator (pneumatics technology) |
| FRL➣Field Research Laboratory (India) |
| FRL➣Full Reservoir Level (hydroelectricity) |
| FRL➣Family Research Laboratory (University of New Hampshire) |
| FRL➣Fire Resistance Level (grading for building products) |
| FRL➣Forest Reference Level (climate change) |
| FRL➣Fraeulein (German: Miss) |
| FRL➣Fiber Reinforced Laminate (paneling) |
| FRL➣Fractional Reserve Lending (finance) |
| FRL➣Fire Research Laboratory (US Bureau of Alcohol, Tobacco, Firearms and Explosives) |
| FRL➣Frame Relay Link |
| FRL➣Foundation for Rural Living (Canada) |
| FRL➣Finished Road Level (civil engineering) |
| FRL➣French Radio London (radio station; UK) |
| FRL➣Fantasy Racing League |
| FRL➣Former Regime Loyalists (Iraq) |
| FRL➣Free Range Librarian (personal blog) |
| FRL➣Flight Refueling Limited (now Cobham PLC; UK) |
| FRL➣Free & Reduced Lunch |
| FRL➣Frequently Requested Listings (Automated Directory Assistance & Speech-enabled Applications) |
| FRL➣Feyenoord Rotterdam Lyrics |
| FRL➣Franchise Recruiters, Ltd. |
| FRL➣Frame Representation Language (MIT) |
| FRL➣Facility Restriction Level |
| FRL➣Future Remnant Liver (hepatectomy) |
| FRL➣Fuselage Reference Line |
| FRL➣Failure Rate Level (standard for electronic components) |
| FRL➣Fusion Rocket Launcher |
| FRL➣Finland-Russia Line (fiber optic) |
| FRL➣Finished Roof Level |
| FRL➣Feltman Research Labs. |
| FRL➣Functional Requirements Letter |
| FRL➣Florida Right to Life Committee, Inc. |
| FRL➣Filter, Air Roll |
| FRL➣Fiberglass Reinforced Lining (peramenent spa and hot tub refinishing) |