IOU (disambiguation)

Look up IOU in Wiktionary, the free dictionary.

An IOU is an acknowledgment of debt.

IOU may also refer to:

In music:

• I.O.U. (album), album by British jazz fusion guitarist Allan Holdsworth, 1982
• "I.O.U." (Freeez song), 1983
• "I.O.U." (Jimmy Dean song), 1976
• "I.O.U." (Mike Shinoda song), 2018
• "I.O.U." (Lee Greenwood song), 1983
• I.O.U. (hip-hop group)
• I.O.U., album by Gregory Isaacs, 1982
• I Owe You, debut studio album by American contemporary gospel singer Kierra "Kiki" Sheard
• IOYOU, former name of the Irish pop vocal group Westlife

In organizations:

• Investor-owned utility, a supplier of basic services
• Intercultural Open University Foundation, a distance education institution
• Islamic Online University, an online, distance-learning university founded by Bilal Philips
• International Ornithologists' Union, new name of the International Ornithological Committee

In other uses:

• Interdependent Occupational Unit, the monetary unit of the Kingdom of Lovely in the British television series How to Start Your Own Country
• The acronym for the fictional Illuminati University in the Eponymous GURPS book. (No one knows what the 'O' stands for, except maybe the Arch Dean.)
• Abbreviation for intersection over union, a measure for the similarity of two sets, which is also known as Jaccard index

See also

• AEIOU (disambiguation)
• IOYOU, a former Irish pop vocal group