| RBT | Rail Barge Truck 
| Others |
| RBT | Raised Black Letters Tubeless
| Others |
| RBT | Random Breath Test
| Others |
| RBT | Random Breath Testing
| Others |
| RBT | Random Breath Tests
| Others |
| RBT | Rapid Balanced Temperature
| Others |
| RBT | Rapid Bus Transportation
| Others |
| RBT | Rare Book Team
| Others |
| RBT | Rational Behavior Training
| Others |
| RBT | Re- Building Together
| Others |
| RBT | Reality Based Training
| Others |
| RBT | Rec Bicycles Tech
| Others |
| RBT | Received by transfer
| Others |
| RBT | Reckless battering tablet
| Others |
| RBT | Red, Blue, Tan
| Others |
| RBT | Red-Black Tree
| Others |
| RBT | Regional Border Trade
| Others |
| RBT | Registered Behavior Technician
| Others |
| RBT | Registered Behavior Technicians
| Others |
| RBT | Registered Behavior TechnicianTM
| Others |
| RBT | Registered Behavioral Technician
| Others |
| RBT | Registered Behaviour Technician
| Others |
| RBT | Reinforced Barbed Tape
| Others |
| RBT | Reliable Broadcast Toolkit
| Others |
| RBT | Requirements Based Testing
| Others |
| RBT | Research for Better Teaching
| Others |
| RBT | Rifle Barrel Technology
| Others |
| RBT | Right Bove Touch
| Others |
| RBT | Ring Back Tone
| Others |
| RBT | Risk Based Testing
| Others |
| RBT | Risk Based Thinking
| Others |
| RBT | River Bathymetry Toolkit
| Others |
| RBT | River Bend Transit
| Others |
| RBT | Roadway Breathalyzer Test
| Others |
| RBT | Robotics
| Others |
| RBT | Roller Brake Tester
| Others |
| RBT | Romania Brasov Techcenter
| Others |
| RBT | Roommate Bonding Time
| Others |
| RBT | Rotherham Brought Together
| Others |
| RBT | Royal Banning Thread
| Others |
| RBT | Royal Bengal Tiger
| Others |
| RBT | Royal Bengal Tigress
| Others |
| RBT | Rsync Backup Tool
| Others |
| RBT | Rules Based Trader
| Others |