| Acronym | Definition |
|---|
| RTOA | Road Traffic Offenders Act (UK) |
| RTOA | Rejected Take-Off Area (helicopter) |
| RTOA | Road Transport Operators Association |
| RTOA | Railroad Transportation and Operation Agreement |
| RTOA | Relative Time of Arrival |
| RTOA | Round Table Owners Association |
| RTOA | Rent To Own Atlanta (Atlanta, Georgia) |
| RTOA | Real-Time Optical Analyzer |
| RTOA | Remote Train Overview Application |
| RTOA | Renfe-Talgo of America |
| RTOA | Road Transporters Operators Association |
| RTOA | Real-Time Object Adapter |
| RTOA | Resource Transportation of America |
| RTOA | Right Torsion Of Abomasum |