| Acronym | Definition |
|---|
| FRR➣Free Registration Required |
| FRR➣Furniture Row Racing (team; Colorado) |
| FRR➣Flint River Ranch (Chapel Hill, North Carolina) |
| FRR➣False Rejection Rate (biometrics) |
| FRR➣Fast Re-Route |
| FRR➣False Rejection Rate |
| FRR➣Free Rasalhague Republic (gaming) |
| FRR➣Fast Reroute (MPLS protection scheme) |
| FRR➣Financial Risk Rating |
| FRR➣Flight Readiness Review |
| FRR➣Fonds de Réserve pour les Retraites (French: Pension Reserve Fund) |
| FRR➣Floating Reference Rate (finance) |
| FRR➣Frequency Restoration Reserve (power grids; various locations) |
| FRR➣Financial Reporting Release |
| FRR➣Fire Resistance Rating |
| FRR➣Fusion Rock Radio (online radio) |
| FRR➣Free Range Router (open-source software) |
| FRR➣Front Royal, Virginia |
| FRR➣Facility Repair and Renewal (US Army program) |
| FRR➣Financial Reporting Requirements |
| FRR➣First Right of Refusal |
| FRR➣Functional Readiness Review |
| FRR➣Functional Recovery Routine |
| FRR➣Fiber Reinforced Rubber |
| FRR➣Functional Requirements Review |
| FRR➣Field Return Rate (quality control) |
| FRR➣Financial Restructuring and Recovery (finance) |
| FRR➣Facility Risk Rating |
| FRR➣Fuel Return Rate |
| FRR➣Forward Resource Reservation |
| FRR➣Field Reduction Region |
| FRR➣Full Reimbursement Rate |
| FRR➣Fitted For Radio |
| FRR➣Field Revision Request |