RGL
| 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) |