Abbreviations beginning with I

IORFInternational Obstacle Racing Federation
International

IORFIncremental Oil Recovery Factor
Miscellaneous » Unclassified

IORFInternal Open Reading Frame
Miscellaneous » Unclassified

IORFInternational Obstacle Racing Federation
Sports » Racing

IORGIndian Ocean Research Group (Panjab University; India)
Academic & Science

IORGInformation Overload Research Group
Community

IORGInteroperability Review Group (NATO)
Governmental

IORGInternational Order of the Rainbow for Girls
Miscellaneous

IORGInternational Organizations Research Group (est. 2001; Catholic Family & Human Rights Institute; New York, NY)
Miscellaneous

IORIInternational Odonata Research Institute
Academic & Science

IORIIncome Opportunity Realty Investors, Inc. (est. 1985)
Business

IORLInput/Output Requirements Language
Academic & Science

IORMI/O (Input/Output) Resource Management
Academic & Science

IORMInput Output Resource Manager
Computing » IT

IORMSInstitute for Operations Research and Management Science
Miscellaneous

IORNIndicator of Relative Need (Scotland)
Community

IORNSInventory of Offender Risk, Needs, and Strengths (self-assessment tool)
Miscellaneous

IORNZIndian Owners Register of New Zealand (antique Indian motorcycles)
Miscellaneous

IOROIntraoral Oblique Ramus Osteotomy
Academic & Science