Abbreviations beginning with I

IOHInstructors Of the Handicapped
Miscellaneous » Unclassified

IOHInstructors Of the Handicapped (Manchester, CT)
Miscellaneous

IOHInterfaith Outreach Home
Miscellaneous » Unclassified

IOHintermediate Over Hauling
Miscellaneous » Unclassified

IOHIsland of Happiness (Harvest Moon game)
Miscellaneous

IOHAInternational Occupational Hygiene Association
Academic & Science » Societies

IOHDInput Output Hardware Development
Computing » IT

IOHFALWIt Only Hurts for A Little While
Miscellaneous

IOHIImpressions on Hold International (New York, NY)
Business

IOHIItalian Oral History Institute (Los Angeles, CA)
Miscellaneous

IOHOIn Our Humble Opinion
Computing » Texting

IOHOIn Our Humble Opinion
Internet » Chat

IOHPIllinois Oral Health Plan (est. 2001)
Academic & Science

IOHPInternational Order of Horror Professionals
Governmental

IOHPIranian Oral History Project (Harvard University; Boston, MA)
Miscellaneous

IOHRSubcommittee on International Operations and Human Rights (US House of Representatives)
Governmental