| Acronym | Definition |
|---|
| OWI | Operating While Intoxicated (Indiana term for drunk driving) |
| OWI | Ordnungswidrigkeit (Germany non-criminal regulatory offence) |
| OWI | Old World Industries (chemical producer; Northbrook, IL) |
| OWI | Office of War Information (USA-WWII) |
| OWI | Oracle Wait Interface |
| OWI | Operating While Impaired (drunk driving charge) |
| OWI | One Wire Interface (digital communications) |
| OWI | Open Water Instructor |
| OWI | Office Work Instruction (NASA) |
| OWI | Office of Waste Isolation |
| OWI | OneWorld International (humanitarian network) |
| OWI | Optimum Working Interest |
| OWI | Oddworld Inhabitants Inc. (video game developer) |
| OWI | Optimal Wage Indexation |