| RTB | R T B Radio Television Brunei 
| Others |
| RTB | Radiation Therapeutics and Biology
| Others |
| RTB | Radio Trans Belgrade
| Others |
| RTB | Ranger Training Brigade
| Others |
| RTB | Read Tape Binary
| Others |
| RTB | Read The Bible
| Others |
| RTB | Read The Book
| Others |
| RTB | Ready To Bone
| Others |
| RTB | Ready to Build
| Others |
| RTB | Real Time Basic
| Others |
| RTB | Real Time Bidding
| Others |
| RTB | Real Time Broadcast
| Others |
| RTB | Real Time Business
| Others |
| RTB | Real Time Buying
| Others |
| RTB | Real-Time Backplane
| Others |
| RTB | Real-Time Bidding
| Others |
| RTB | Rear Twin Beds
| Others |
| RTB | Reason To Believe
| Others |
| RTB | Reason To Buy
| Others |
| RTB | Reasons to Believe
| Others |
| RTB | Regional Transport Board
| Others |
| RTB | Remote Telephone Bell
| Others |
| RTB | Removable Towbar
| Others |
| RTB | Residential Tenancies Board
| Others |
| RTB | Residential Tenancy Branch
| Others |
| RTB | Resistance Temperature Bulb
| Others |
| RTB | Response To Brief
| Others |
| RTB | Retail Treasury Bonds
| Others |
| RTB | Retirement Transition Benefit
| Others |
| RTB | Retractable Truck Bed
| Others |
| RTB | Retransmission Buffer
| Others |
| RTB | Return To Base
| Others |
| RTB | Richard Tyler Blevins
| Others |
| RTB | Right Tie Bus
| Others |
| RTB | Right to Buy
| Others |
| RTB | Ring Tie Bus
| Others |
| RTB | Rip The Bastards
| Others |
| RTB | Road Toll Bureau
| Others |
| RTB | Road Traffic Breaches
| Others |
| RTB | Road Transport Board
| Others |
| RTB | Road Transport Bureau
| Others |
| RTB | Rock Tempered Babies
| Others |
| RTB | Roll The Bones
| Others |
| RTB | Rolypoly Teddy Bear
| Others |
| RTB | Root This Box
| Others |
| RTB | Roots Tubers and Bananas
| Others |
| RTB | Roots, Tubers and Bananas
| Others |
| RTB | Roots, Tubers, and Bananas
| Others |
| RTB | Row The Boat
| Others |
| RTB | Royal Tinted Blue
| Others |
| RTB | Runtime Broker
| Others |
| RTB | Rural Telephone Bank
| Others |