Abbreviations beginning with r

RAORoyal Army of Oman
Governmental

RAORebel Angel Online
Internet

RAORecreational Activities Officer
Medical » Hospitals

RAORecurrent Airway Obstruction
Medical » Veterinary

RAORassemblement des Astrologues Occidentaux (French: Gathering of Western Astrologers)
Miscellaneous

RAOReduced Available Oxygen
Miscellaneous » Unclassified

RAORetinal Artery Occlusion
Miscellaneous » Unclassified

RAORetiree Activities Office
Miscellaneous » Unclassified

RAORhône Alpes Orchidées (French: Rhone Alps Orchids; est. 1987)
Miscellaneous

RAORibeirao Preto, Sao Paulo, Brazil (Airport Code)
Miscellaneous

RAORights Advocacy Organisation
Miscellaneous » Unclassified

RAORoom Assignment Optimization
Miscellaneous » Unclassified

RAORossiyskoye Aktsionernoye Obshestvo
Miscellaneous » Unclassified

RAORecent African Origins
Regional » African

RAOResearch and Advocacy Organizations
Regional » Ghana

RAORibeirao Preto, Sao Paulo, Brazil
Regional » Airport Codes

RAORun Against Ourselves
Sports

RAOARichmond Apartment Owners Association (Richmond, VA)
Academic & Science