An OWI is a criminal offense that stands for “operating while intoxicated.” It’s used in Indiana, Iowa, Michigan, and Wisconsin.
A DUI is a criminal offense that stands for “driving while intoxicated. It’s used in most states.
Both OWIs and DUIs involve driving a vehicle while under the influence of alcohol or other drugs. However, as its name suggests, an OWI also involves operating a vehicle without driving it.