| Abbreviation | Definition |
|---|---|
| RTA | Revue Technique Automobile |
| RTA | Rewriting Techniques and Applications |
| RTA | Ridgewood Tri Athlete |
| RTA | Riverside Transit Agency |
| RTA | road to awe |
| RTA | Road Traffic Act |
| RTA | Rochester Teachers Association |
| RTAA | Radio Tele Alpe Adria |
| RTAA | Reciprocal Trade Agreements Act |
| RTAA | Reemployment Trade Act Assistance |
| RTAA | Reemployment Trade Adjustment Assistance |
| RTAD | Real Time Application Deployment |
| RTAD | Recall to Active Duty |
| RTAD | Retrograde Type A Dissection |
| RTAD | Road Transport Administration Department |
| RTAI | Real Time Application Interface |
| RTAL | Real Time Analytical Laboratory |
| RTAL | Real Time Audit Log |
| RTAS | Rayman The Animated Series |
| RTAS | Real Time Analysis System |