OIO

AcronymDefinition
OIOOpera in the Ozarks (Eureka Springs, AR)
OIOOracle Inter Office
OIOOffensive Information Operations (US DoD)
OIOOverseas Investment Office (New Zealand)
OIOOnderzoeker in Opleiding
OIOOffentlig Information Online (Danish: Public Information Online; Denmark)
OIOOpen Infrastructure for Outcomes (medical software)
OIOOpen Infrastructure Offering
OIOOffice of the Investment Ombudsman (Korea)
OIOOffice of Independent Oversight (US Department of Education)
OIOOperational Integration Office