IOU (disambiguation)
IOU or I.O.U. is:
- An English expression for promissory note ( IOU are phonetically and I owe you [ dt I owe you ] the same)
- An abbreviation for the International Olympic Sailing dinghy Union, the class association of the Olympic boat class of 1936, see O- Jolle.
- An abbreviation for Input Output Unit, a part of the computer, see Input and Output
- Name of a song from 1983 by the British band Freeez, see IOU (Song)
- An abbreviation for the International Ornithological Union ( formerly International Ornithological Committee)
- Disambiguation
- Abbreviation