Geographic Abbreviations and Acronyms
- RGBred-green-blue (signal)
- RGBFRangierbahnhof
- RGDRijks Geologische Dienst
- RGISRegional Geographic Information System
- RGSRoyal Geographic Society
- RHODE ISLRhode Island
- RIRhode Island
- RIAIRoyal Institute of Architects of Ireland
- RICSRoyal Institution of Chartered Surveyors
- RIDRecord Identification
- RIGRetsam/Intergraph/Giant
- RIJPRijksdienst Voor De Ijsselmeerpolders
- RINRealty Information Network
- RIRTRussian Institute of Radionavigation and Time
- RISRapid Imaging Software
- RISCReduced Instruction Set Computer
- RITRochester Institute of Technology
- RKRockhaven Resources Ltd. (Toronto Venture Exchange [TSXV])
- RKSWRocks In Water
- RKWRock In Water
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