IOU (disambiguation)

• AEIOU (disambiguation)
• AfterLife (album)
• GURPS Illuminati University
• Gregory Isaacs
• How to Start Your Own Country
• I Owe You
• I.O.U. (Freeez song)
• I.O.U. (Jimmy Dean song)
• I.O.U. (Lee Greenwood song)
• I.O.U. (Mike Shinoda song)
• I.O.U. (album)
• I.O.U. (hip hop group)
• IOU
• IOYOU
• Intercultural Open University Foundation
• International Ornithologists' Union
• Intersection over union
• Investor-owned utility
• Islamic Online University
• Jaccard index
• NCT 2020 Resonance Pt. 2