| Acronym | Definition |
|---|
| RTN➣Return |
| RTN➣Raytheon Company (stock symbol) |
| RTN➣Research Training Network |
| RTN➣Routing Transit Number |
| RTN➣Rotarian |
| RTN➣Round Town News (Spain) |
| RTN➣Reflective Twisted Nematic |
| RTN➣Real-Time Networks (workshop) |
| RTN➣Reclaim the Night (Australia) |
| RTN➣Rapid Tissue Necrosis |
| RTN➣Recursive Transition Network |
| RTN➣Real Time News (UNICC) |
| RTN➣Register Transfer Notation |
| RTN➣Road to Nowhere |
| RTN➣Ray Tracing News (Eric Haines newsletter) |
| RTN➣Rapid Thermal Nitridation |
| RTN➣Racetrack Television Network |
| RTN➣Radial Tangential Normal |
| RTN➣Resource Task Network |
| RTN➣Runner Triathlete News (periodical) |
| RTN➣Rock the Nations (rock festival) |
| RTN➣Routing Telephone Number |
| RTN➣Requirement Tracking Number |
| RTN➣Read and Take Notes |
| RTN➣Received Track Number |
| RTN➣Register Tape Network (Valencia, CA) |
| RTN➣Reticular Thalamic Nuclei |
| RTN➣Requirements Traceability Network |
| RTN➣Relative Threat Number |
| RTN➣Restricted Trading Network |
| RTN➣Regional Telecommunications Network |
| RTN➣Remote Track Number |
| RTN➣Renal Tubular Necrosis (kidney disease) |
| RTN➣Route to Number |
| RTN➣Regional Trade Network (Canada) |
| RTN➣Reach the Nations (Christian coalition) |
| RTN➣Réseau de Théorie des Nombres (French: Number Theory Network) |