| Acronym | Definition |
|---|
| RFB➣Receita Federal do Brasil (Portuguese: Internal Revenue Service of Brazil) |
| RFB➣Recording for the Blind (since 1995, Recording for the Blind & Dyslexic, RFB&D) |
| RFB➣Request For Bid |
| RFB➣Ready for Business |
| RFB➣Rush for Berlin (gaming) |
| RFB➣Republican Flute Band (Ireland and UK) |
| RFB➣Recycle(d) Fluidized-Bed |
| RFB➣Ring-Fenced Bank (banking) |
| RFB➣República Federativa do Brasil (Federal Republic of Brazil) |
| RFB➣Remote Frame Buffer |
| RFB➣Red Flour Beetle (insect) |
| RFB➣Rural Fire Brigade (Queensland & New South Wales, Australia) |
| RFB➣Room, Food and Beverage (casinos) |
| RFB➣Rectal Foreign Body |
| RFB➣Regional Fishery Bodies |
| RFB➣Remember Fallen Brothers |
| RFB➣Rifle Forward Ejection Bullpup (Kel-Tec) |
| RFB➣Rückstellung für Beitragsrückerstattungen (German: Provision for Premium Refunds; insurance industry) |
| RFB➣Reportable Fringe Benefit (taxes) |
| RFB➣Right Fullback (soccer) |
| RFB➣Retained Foreign Body |
| RFB➣Rockfeedback (music website) |
| RFB➣Really Freaking Big |
| RFB➣Repair First Bug |
| RFB➣Rollerfootball (Paris, France) |
| RFB➣Rebel Flag Bikini (Confederate emblem) |
| RFB➣Rise from Below (construction) |
| RFB➣Reno France Bâtiment (French: Reno France Building) |