| Acronym | Definition |
|---|
| RTAA➣Rooster Teeth Animated Adventures |
| RTAA➣Reno-Tahoe Airport Authority (Nevada) |
| RTAA➣Reciprocal Trade Agreements Act of 1934 |
| RTAA➣Rainbow Triangle Alumni Association (Canada) |
| RTAA➣Real-Time Activation Request |
| RTAA➣Real-Time Activation Acknowledgement |
| RTAA➣Real Time Aerosol Analyzer |