Abbreviations beginning with R

RIORoma Initiatives Office (Open Society Institute)
Miscellaneous

RIORowing the Indian Ocean
Miscellaneous » Unclassified

RIORio De Janeiro International Airport, Rio De Janeiro, Rio de Janeiro, Brazil
Regional » Airport Codes

RIORock In Opposition
Regional » Language Codes (3 Letters)

RIORevive International Olympic
Sports

RIO91Réseau Infirmier d'Oncologie de l'Essonne
Miscellaneous

RIOARhode Island Optometric Association
Academic & Science

RIOARoyal Islander Owners Association (Netherlands Antilles)
Academic & Science

RIOBRedeploy Illinois Oversight Board
Miscellaneous » Unclassified

RIOCRed Internacional de Organismos de Cuenca
Academic & Science

RIOCRelative Improvement Over Chance
Academic & Science

RIOCRoosevelt Island Operating Corporation
Business » Companies & Firms

RIOCReserve Infantry Officer Course (USMC)
Governmental

RIOCRed Input/Output Controller
Miscellaneous

RIOCRelative Improvement Over Chance (criminology)
Miscellaneous

RIOCRoosevelt Island Operating Corporation (New York)
Miscellaneous

RIODRed Internacional de Lucha Contra la Desertificación y la Sequía (Spanish: International Network to Combat Desertification and Drought; Argentina)
Miscellaneous

RIODRéseau International des Organisations Non-Gouvernemental Sur Désertification
Miscellaneous

RIODRijksinstituut Voor Oorlogsdocumentatie
Miscellaneous

RIOERRhode Island Office of Energy Resources
Governmental » Energy

Abbreviations beginning with R

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