| Acronym | Definition |
|---|
| RTB | Return to Base (aviation drama) |
| RTB | Real-Time Bidding |
| RTB | Return(ed) to Base |
| RTB | Ready to Build |
| RTB | Reason to Buy (marketing) |
| RTB | Reasons to Believe (Pasadena, CA) |
| RTB | Ready-to-Bake |
| RTB | Reasons to Believe (website) |
| RTB | Removable Terminal Block (electronics) |
| RTB | Row the Boat |
| RTB | Return to Bed |
| RTB | Rouge the Bat |
| RTB | Ring the Bell |
| RTB | Right to Buy (UK home buying) |
| RTB | Real Time Broadcast |
| RTB | Return to Base |
| RTB | Retransmission Buffer |
| RTB | Run the Beach (event) |
| RTB | Reason to Believe (advertising) |
| RTB | Return to Blockland (software) |
| RTB | Return to Bank |
| RTB | Red Tail Boa (snake) |
| RTB | Read the Book |
| RTB | Rural Telephone Bank |
| RTB | Removing the Barriers (various organizations) |
| RTB | Return-to-Battery (rifle) |
| RTB | Ranger Training Brigade |
| RTB | Ranking the Brands (marketing) |
| RTB | Red Telefónica Basica (Spanish) |
| RTB | Respect the Brotherhood (Stockton, CA) |
| RTB | Radio Télévision du Burkina (French: Radio Television Burkina; national public broadcasting organization; Burkina Faso) |
| RTB | Roll the Bones (Rush album) |
| RTB | Run the Business |
| RTB | Removable Terminal Block |
| RTB | Rock-a-Thigh Baby (socks) |
| RTB | Research and Technology Board (NATO) |
| RTB | Right to Bitch |
| RTB | Run the Bank |
| RTB | Real-Time Business |
| RTB | Recherche Technologique de Base (French: Technology Research Base) |
| RTB | Rio Tinto Borax (mining; California) |
| RTB | Roatan, Honduras - Roatan (Airport Code) |
| RTB | Real Time Billing |
| RTB | Regional Tourist Board |
| RTB | Red Tin Box (band) |
| RTB | Read Tape Binary |
| RTB | Rod, Top and Bottom (draperies) |
| RTB | Real-Time Backplane |
| RTB | Rear Transition Board |
| RTB | Regional Training Brigade |
| RTB | Re-Transmission Buffer |
| RTB | Red Tag Bastards (US Air Force Academy) |
| RTB | Regression Test Bank (software) |
| RTB | Rockie The Bastard |
| RTB | Rip the Bring (RC groups forums and fliers) |
| RTB | Rufty Tufty Biker |
| RTB | Raise Tow and Beach (Surabaya, Indonesia) |
| RTB | Remote Test Base |
| RTB | Resolver Tracking Bridge |
| RTB | Resistance Thermometer Bulb |
| RTB | Right-Time Bank |