OIU

AcronymDefinition
OIUOkinawa International University (Japan)
OIUOperator Interface Unit
OIUOhio Investigative Unit (Ohio Department of Public Safety)
OIUOffice Interface Unit
OIUOptical Interface Unit
OIUOsaka Imperial University (now Osaka University; Japan)
OIUOptical Internal Urethrotomy
OIUOrbiter Interface Unit
OIUOmdurman Islamic University (Sudan)
OIUOld Ignatians' Union (Lane Cove, NSW, Australia)