IOU
| Acronym | Definition |
|---|---|
| IOU | I Owe You |
| IOU | Investor Owned Utilities |
| IOU | Input Output Unit |
| IOU | Indian Ocean University (Mogadishu, Somalia) |
| IOU | International Open University |
| IOU | I Own You |
| IOU | Input/Output Unit |
| IOU | I Owe Unto |
| IOU | Islamic Online University |
| IOU | Interdependent Occupational Unit (currency of Lovely, UK humorous country) |
| IOU | Is Owed Unto |
| IOU | Insert or Update (database) |