| Acronym | Definition |
|---|
| RTL | Register Transfer Level (VHDL) |
| RTL | Register Transfer Level |
| RTL | Retail (hardware or software release in its final version, as opposed to beta) |
| RTL | Right to Left |
| RTL | Ready to Launch (various companies) |
| RTL | Right To Life (political party, NY) |
| RTL | Run Time Library |
| RTL | Responding to Life |
| RTL | rectal |
| RTL | Rantoul (Amtrak station code; Rantoul, IL) |
| RTL | Ready To Learn (PBS) |
| RTL | Ride The Lightning (Metallica) |
| RTL | Realtek Lan |
| RTL | Real Time Localization |
| RTL | Raster Transfer Language |
| RTL | Round Trip Latency |
| RTL | Real Time Linux |
| RTL | Reliance Telecom Ltd (India) |
| RTL | Redwood Toxicology Laboratory (drug testing facility; Santa Rosa, CA) |
| RTL | Register Transfer Language |
| RTL | Resistor Transistor Logic |
| RTL | Re-education Through Labour (China) |
| RTL | Réseau de Transport de Longueuil |
| RTL | Regional Team Leader |
| RTL | Radio Télévision Luxembourg (Luxembourg Television and Radio) |
| RTL | Radio Timor Leste (East Timor) |
| RTL | Real Time Logic |
| RTL | Register Transfer Logic (semiconductors) |
| RTL | Reconstituted Tobacco Leaf (blend construction) |
| RTL | Runtime Language |
| RTL | Ready to Load |
| RTL | Resolution Team Leader |
| RTL | Reduced Tillage Linkages |
| RTL | Ride the Lobster (unicycling race) |
| RTL | Rated Tensile Load (suspension insulators) |
| RTL | Register Transfer List |
| RTL | Restricted Target List |
| RTL | Radial Transmission Line |
| RTL | Routine Test Load (suspension insulators) |
| RTL | Radio Telex Letter |
| RTL | Regimental Training Line |
| RTL | Radiating Transmission Line |
| RTL | Research & Technology Laboratories (AVRADCOM) |
| RTL | Rolling Target List |
| RTL | Responsible Task Leader |
| RTL | Reinforced Tile Lintel |
| RTL | Radio Team Leader |
| RTL | Refrigerated Transmission Line |
| RTL | Rate Tracking Loop |
| RTL | Regeneration Thermo-Luminescence |
| RTL | Recovery Technical Limit |
| RTL | Resource Tie Line |
| RTL | Radiative Transfer Laboratory (University of Kentucky; Lexington, KY) |