| FRB | Failure Review Board 
| Others |
| FRB | Fast Radio Burst
| Others |
| FRB | Fast Radio Bursts
| Others |
| FRB | Fast Rescue Boat
| Others |
| FRB | Fault Resilient Booting
| Others |
| FRB | Federal Reserve
| Others |
| FRB | Federal Reserve Bank
| Others |
| FRB | Federal Reserve Banks
| Others |
| FRB | Federal Reserve Board
| Others |
| FRB | Federal Reserve Bulletin
| Others |
| FRB | Federal Retirement Benefits
| Others |
| FRB | Financial Relations Board
| Others |
| FRB | Firestone Rock Band
| Others |
| FRB | Fixed Route Bus
| Others |
| FRB | Flashing Red Ball
| Others |
| FRB | Floating Point Rename Buffer
| Others |
| FRB | Florida Rail Bird
| Others |
| FRB | Fomin Report Builder
| Others |
| FRB | Foods Resource Bank
| Others |
| FRB | For Real Bro
| Others |
| FRB | Forbes, New South Wales, Australia
| Others |
| FRB | Forward Rate Bias
| Others |
| FRB | Fractional Reserve Banking
| Others |
| FRB | Free Radio Berkeley
| Others |
| FRB | French Racing Blue
| Others |
| FRB | Fresh Rice Breakers
| Others |
| FRB | Front Running Bastard
| Others |
| FRB | Frontal Rigid Barrier
| Others |
| FRB | Fuel Reduction Burn
| Others |
| FRB | Functional Reactive Bindings
| Others |
| FRB | Further Ring Back
| Others |
| FRB | Futile Retribution Brick
| Others |