| Abbreviation | Definition |
|---|---|
| RTAS | Real Time Audio Suite |
| RTAS | Regulatory Treatment Analysis Service |
| RTAS | Run Time Abstraction Services |
| RTAS | Run-Time Abstraction Services |
| RTAT | Rapid Telecommunications Assessment Team |
| RTAT | Reactive Test And Treat |
| RTAT | Report Turn Around Time |
| RTAT | Run Time Authoring Tool |
| RTB | R T B Radio Television Brunei |
| RTB | Radiodiffusion Télévision du Burkina |
| RTB | Ranger Training Brigade |
| RTB | Ready to Build |
| RTB | Real Time Buying |
| RTB | Rear Twin Beds |
| RTB | Reason To Believe |
| RTB | Reasons to Believe |
| RTB | Right to Buy |
| RTB | Rock Tempered Babies |
| RTB | Roots Tubers and Bananas |
| RTBA | Réseau très basse altitude |