| Acronym | Definition |
|---|
| RTAC➣Regional Targets Advisory Committee (California) |
| RTAC➣Reproductive Technology Accreditation Committee (Fertility Society of Australia) |
| RTAC➣Regional Technical Assistance Center |
| RTAC➣Regional Transportation Advisory Committee (various locations) |
| RTAC➣Research and Technology Advisory Committee (US NASA) |
| RTAC➣Regional Trauma Advisory Council (Wisconsin) |
| RTAC➣Rotational Translational Actuator |
| RTAC➣Rural Transit Assistance Center (Macomb, IL) |
| RTAC➣Real-Time Automation Controller |
| RTAC➣Réflexe Tonique Asymétrique du Cou (French: Asymmetric Tonic Neck Reflex) |