OWI

OWI may refer to:


 * United States Office of War Information
 * "operating while intoxicated", "operating while impaired", see Driving under the influence
 * Owi Airfield, Schouten Islands, Indonesia; a WWII USAAF airfield of the South West Pacific Theatre
 * Ottawa Municipal Airport (FAA identifier ), KS, USA
 * Owiniga language (ISO 639 language code )