English abbreviations from rg to rgl
- Rg (Roentgenium)
- RGA (Hermes Quijada International Airport)
- RGB (Red Green Blue (colour model))
- RGBA (Red, Green, Blue, Alpha)
- RGBI (Red Green Blue Intensity (ditto))
- RGC (Radar Ground Clutter)
- RGE (Resource for Genetic and Epidemiologic Research)
- RGF (Return Gardens In France)
- RGG (Reading Group Guide)
- RGGS (Rifle Grenade General Service)
- RGH (Rhodes Garrett Hamiel Council)
- RGHF (Rotary Global History Fellowship)
- RGI (Reeder Graphics, Inc.)
- RGIII (Robert Griffin III)
- RGIT (Rajiv Gandhi Institute of Technology)
- RGJ (Reno Gazette-Journal)
- RGK (Ronya and George Kozmetsky Foundation)
- RGL (Piloto Civil Norberto Fernández International Airport)