| RBL | Bank Ltd 
| Others |
| RBL | Radio Banda Larga
| Others |
| RBL | Rae Bareli Junction railway station
| Others |
| RBL | Raised Black Lettering
| Others |
| RBL | RasenBallsport Leipzig
| Others |
| RBL | Rat Basophilic Leukaemia
| Others |
| RBL | Rat Basophilic Leukemia
| Others |
| RBL | Ratnakar Bank Limited
| Others |
| RBL | Ratnakar Bank Ltd
| Others |
| RBL | Reading Between Lines
| Others |
| RBL | Real-time Blackhole List
| Others |
| RBL | Real-time Block List
| Others |
| RBL | Realtime Black List
| Others |
| RBL | Realtime Blackhole List
| Others |
| RBL | Realtime Blackhole Lists
| Others |
| RBL | Realtime Block List
| Others |
| RBL | Reasonable Benefit Limit
| Others |
| RBL | Recess Before Lunch
| Others |
| RBL | Red Bluff Municipal Airport
| Others |
| RBL | Red Bluff, California USA
| Others |
| RBL | Regional Biocontainment Laboratory
| Others |
| RBL | Regional Biosafety Laboratory
| Others |
| RBL | Relay Black List
| Others |
| RBL | Relay Blackhole List
| Others |
| RBL | Reliability Based Lubrication
| Others |
| RBL | Remote Black List
| Others |
| RBL | Renault Belgique Luxembourg
| Others |
| RBL | Replace Block
| Others |
| RBL | Republic Bank Limited
| Others |
| RBL | Reputation Block List
| Others |
| RBL | Required By Law
| Others |
| RBL | Research Bureau Limited
| Others |
| RBL | Reserve Based Lending
| Others |
| RBL | Resource Based Learning
| Others |
| RBL | Resource By Line
| Others |
| RBL | Restaurant Bar Lounge
| Others |
| RBL | Results- Based Leadership, Inc.
| Others |
| RBL | Results-Based Leadership
| Others |
| RBL | Review of Biblical Literature
| Others |
| RBL | Riecker Baseball League
| Others |
| RBL | Rifled Breech Loader
| Others |
| RBL | Right Buttock Line
| Others |
| RBL | Roadblock Signal Light
| Others |
| RBL | Rogers Broadcasting Limited
| Others |
| RBL | Router Block List
| Others |
| RBL | Row Buffer Locality
| Others |
| RBL | Royal British Legion
| Others |
| RBL | Rubber Band Ligation
| Others |
| RBL | Rubber Latch
| Others |
| RBL | Rural Building Lot
| Others |
| RBL | Ruthless by Law
| Others |