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What does IOU stand for?

Acronym Finder has 12 verified definitions for IOU

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Rank Abbr.Meaning
IOUInvestor Owned Utility
IOUIowa Ornithologists Union
IOUIndoor Outdoor Unit
IOUInput Output Unit
IOUIntercultural Open University
IOUIowa Outdoor Unlimited
IOUindex of undernutrition
IOUindex of uniformity
IOUintegrated Ornstein-Uhlenbeck
IOUInvestor Owned Utilites
IOUInvestor Owner Utility
IOUIntegrator Operable Unit
IOUInternational Organizers United
IOUIvy and Oak University
IOUIndependent Operating Utility