| Acronym | Definition |
|---|
| REL➣Religion |
| REL➣Reliability |
| REL➣Relative |
| REL➣Relief |
| REL➣Relation |
| REL➣Relieved |
| REL➣Regional Educational Laboratory |
| REL➣Relocate |
| REL➣Real Estate Law |
| REL➣Renewable Energy Law (various locations) |
| REL➣Releasable |
| REL➣Recommended Exposure Limit (NIOSH) |
| REL➣Remaining Economic Life (real estate) |
| REL➣Radio Emscher Lippe (German online radio) |
| REL➣Relações Internacionais (Brazil) |
| REL➣Redhat Enterprise Linux |
| REL➣Release |
| REL➣Relayer |
| REL➣Rights Expression Language |
| REL➣Ressources Educatives Libres (French: Open Educational Resources) |
| REL➣Reliance Energy Ltd |
| REL➣Release/Released |
| REL➣Release Message |
| REL➣Reference Exposure Level |
| REL➣Rear End Loader (waste container) |
| REL➣V-Rel Avian Reticuloendotheliosis Viral Oncogene Homolog |
| REL➣Radio Equipment List (Canada) |
| REL➣Trelew, Chubut, Argentina (Airport Code) |
| REL➣Réticulum Endoplasmique Lisse (French: Smooth Endoplasmic Reticulum) |
| REL➣Authorized for Release To ... |
| REL➣Rassemblement Européen de la Liberté (French: European Gathering of Liberty; political platform) |
| REL➣Réacteur à Eau Légère (French: Light Water Reactor) |
| REL➣Recovered Energy Logic |
| REL➣Random Even Lengths (lumber) |
| REL➣Ring Enhancing Lesion |
| REL➣Richland Energy Laboratory (Tri-Cities University Center) |