| Acronym | Definition |
|---|
| RBF | Resting Bitch Face |
| RBF | Revista Brasileira de Fruticultura |
| RBF | Radial-Basis Function (neural network type) |
| RBF | Running Blog Family |
| RBF | Reel Big Fish (band) |
| RBF | Red Bluff (Amtrak station code; Red Bluff, CA) |
| RBF | Replace-by-Fee (cryptocurrency) |
| RBF | Rockefeller Brothers Fund |
| RBF | Random Block File |
| RBF | Renal Blood Flow |
| RBF | Reserve Bank of Fiji |
| RBF | Rangierbahnhof (German: railway classification yard) |
| RBF | Remove Before Flight |
| RBF | Retired Boxers Foundation |
| RBF | Rat-Bite Fever |
| RBF | Retinoblastoma-Family |
| RBF | Rubidium Fluoride |
| RBF | RestaurationsBranchens Forbund (Denmark) |
| RBF | Retirement Benefits Fund (Australia) |
| RBF | Road Back Foundation |
| RBF | Retinoblastoma-Family Protein |
| RBF | Riverbank Filtration |
| RBF | Round Bottom Flask (chemistry) |
| RBF | Running Best Friend |
| RBF | Railway Business Forum |
| RBF | Rule-Based Forecasting |
| RBF | Reef Ball Foundation |
| RBF | Royal Blind Foundation (Australia) |
| RBF | Radical Beer Faction |
| RBF | Roslagens Båtförbund (Swedish) |
| RBF | Radar Beam Former |
| RBF | Record Blueprint File System |
| RBF | Riegersburg Zu Fürstenfeld (German) |
| RBF | Random Beamforming |
| RBF | Reims Basket Féminin (French women's basketball team) |
| RBF | Rhythm and Blues Foundation |