| Acronym | Definition |
|---|
| RDL | Real Decreto Legislativo (Spanish: Royal Decree) |
| RDL | Report Definition Language |
| RDL | Real Decreto Ley (Spanish: Royal Decree Law) |
| RDL | Radio Design Labs (professional audio manufacturing) |
| RDL | Record Definition Language |
| RDL | Remote Digital Loopback |
| RDL | Required Delimiter |
| RDL | Reusable Data Language |
| RDL | Reference Data and Class Library |
| RDL | Régie du Logement (French; Canadian housing authority) |
| RDL | Refrigerated Display Lighting (commercial lighting) |
| RDL | Reimer Digital Library (General Dennis J. Reimer Training and Doctrine Digital Library) |
| RDL | Romanian Dead Lift (athletics) |
| RDL | Remote Data Logging |
| RDL | Rockefeller Drug Laws |
| RDL | Radio Data Link |
| RDL | Rational Drug List (medicines) |
| RDL | Remote Desktop License (Microsoft) |
| RDL | Reportable Detection Limit |
| RDL | Respirator Decision Logic (National Institute for Occupational Safety and Health) |
| RDL | Radio Dreyeckland Libre (German radio station) |
| RDL | Riddell Sports, Inc. (stock symbol) |
| RDL | Reliable Detection Limit |
| RDL | Role Definition Language |
| RDL | Rewrite and Decision procedure Laboratory |
| RDL | Revenus Disponibles Localisés (French: Localized Available Income) |
| RDL | Re-Distribution Layer |
| RDL | Re-Useable Data Language |
| RDL | Raleigh Dart League (North Carolina) |
| RDL | Royal Drugs Limited (Nepal) |
| RDL | Rapid Deployment Launcher |
| RDL | Rythmes et Danses Lucéens (French dance school) |
| RDL | Rail Dynamics Laboratory |
| RDL | Radar Doesn't Lie |
| RDL | Real Dirty Look (Marine slang) |
| RDL | Réalisation et Diffusion de Logiciels (French: Production and Distribution Software) |