| RAB | A Request A Bid 
| Others |
| RAB | Lakunai Airport, Rabaul, Papua New Guinea
| Others |
| RAB | Radio Access Bearers
| Others |
| RAB | Radio Advertising Bureau
| Others |
| RAB | Radio Advisory Board
| Others |
| RAB | Raid Advisory Board
| Others |
| RAB | Rail Alignment and Benefits
| Others |
| RAB | Rapid Action Battalion
| Others |
| RAB | Rating Agency B
| Others |
| RAB | Ready Alert Brakes
| Others |
| RAB | Realty Advisory Board
| Others |
| RAB | Rear Automatic Braking
| Others |
| RAB | Rear Axle Beam
| Others |
| RAB | Rear Axle Bearing
| Others |
| RAB | Rebif Avonex And Betaseron
| Others |
| RAB | Rebreather Advisory Board
| Others |
| RAB | recombinant antibody
| Others |
| RAB | Red Arsed Bastard
| Others |
| RAB | Regional Accountability Bureau
| Others |
| RAB | Registrar Accreditation Board
| Others |
| RAB | Registration Accreditation Board
| Others |
| RAB | Regulatory Affairs Branch
| Others |
| RAB | Regulus Arcturus Black
| Others |
| RAB | Remote Alarm Box
| Others |
| RAB | Rent a Boat
| Others |
| RAB | Rent A Boy
| Others |
| RAB | Research Advisory Board
| Others |
| RAB | Resellers Automated Business
| Others |
| RAB | Resident Advisory Board
| Others |
| RAB | Resource Accounting and Budgeting
| Others |
| RAB | Resource Accounting Body
| Others |
| RAB | Retarded Animal Babies
| Others |
| RAB | Reverse Automatic Braking
| Others |
| RAB | Rice Applesauce And Bannana
| Others |
| RAB | Richard Alexander Burns
| Others |
| RAB | Rigid Aluminum Boat
| Others |
| RAB | Ringette Association of Burlington
| Others |
| RAB | Risk Assessment Battery
| Others |
| RAB | Risk Assessment Board
| Others |
| RAB | Ronald Allan Benusa
| Others |
| RAB | Royal Airforce Base
| Others |
| RAB | Ruthless Asian Boyz
| Others |
| RAB | Rwanda Agriculture Board
| Others |
| RAB | The Ramshackle Ammunition Band
| Others |