| Acronym | Definition |
|---|
| RGL➣Regulatory and Guidance Library (FAA) |
| RGL➣Regulatory Guidance Letter |
| RGL➣Runway Guard Light (airport lighting) |
| RGL➣Reading Grade Level |
| RGL➣Ruby Graph Library |
| RGL➣Rio Gallegos, Santa Cruz, Argentina - Rio Gallegos-Internacional (Airport Code) |
| RGL➣Reduced-Glycemic Load (diet) |
| RGL➣Responsable de Gestion Locative (French: Rental Management Officer) |