| Acronym | Definition |
|---|
| FRF | Fuji Rock Festival |
| FRF | French Francs (old currency code; replaced by EUR) |
| FRF | Fondation Raoul Follereau (French foundation) |
| FRF | Frequency Response Function |
| FRF | Federatia Româna de Fotbal (Romanian Futbol Federation) |
| FRF | Free Form |
| FRF | Field Registration File |
| FRF | Frame Relay Fragmentation |
| FRF | Facility Request Form (various organizations) |
| FRF | Frame Relay Forum |
| FRF | FurReal Friends (online community) |
| FRF | Field Research Facility |
| FRF | Florida Retail Federation |
| FRF | Family Radio Face-Held (equipment class) |
| FRF | Futenma Replacement Facility (Japan) |
| FRF | First Run Features |
| FRF | Fatigue Reliability Factor (engineering) |
| FRF | Fragment Retention Film (polyester window film) |
| FRF | Financial Responsibility Form (various organizations) |
| FRF | Fachvereinigung Rohrleitungs Formstücke eV |
| FRF | Floating-Point Register File |
| FRF | Finnish Rescue Force |
| FRF | Fire-Resistant Fuel |
| FRF | Foundation for Religious Freedom (Los Angeles, CA, USA) |
| FRF | Finite-Rate Feedback |
| FRF | Finnish Rugby Federation |
| FRF | Flood Relief Fund (Pakistan) |
| FRF | Form-Resolving Field (research) |
| FRF | Flight Records Folder (USAF) |
| FRF | Flat to Round to Flat (cable) |
| FRF | Flat Rayleigh Fading |
| FRF | Four-Resonator Filter |
| FRF | Fact-Related Field |
| FRF | Field Reporting Facility |
| FRF | Free Realms Forums (website) |