OU

• Oakland University in Oakland County, Michigan
• Oakwood University in Huntsville, Alabama
• Oglethorpe University in Atlanta, Georgia
• Ohio University in Athens, Ohio
• Olivet University in San Francisco, California
• University of Oklahoma in Norman, Oklahoma

• Osaka University, a national research university
• Okayama University, a national university
• Onomichi City University, a public university in Hiroshima Prefecture
• Otemae University, a private university in Hyogo Prefecture
• Ohu University, a private university in Fukushima Prefecture

• Hong Kong Metropolitan University, Hong Kong, previously the Open University of Hong Kong
• Osnabrück University, Germany
• Open University, United Kingdom
• Open University of Mauritius, Mauritius
• Osmania University, India
• University of Otago, New Zealand
• University of Ottawa, Canada
• University of Oxford, United Kingdom

• Ou (digraph)
• Ou (ligature), the ligature ȣ in the Latin and Greek alphabets
• Uk (Cyrillic), the Cyrillic letter Ꙋ, derived from the ou ligature
• OU, an abbreviation for Old Ukrainian, an aspect of the Ruthenian language from the 11th to the 14th century

• Ō (surname), anglicized as Oh and often romanized as Ou, (王), a Japanese family name
• Ou (surname) (區 or 歐), a Chinese family name

• Nam Ou, a river in Laos
• Ōu (奥羽), a synonym of Tōhoku region, Japan
• Ōu Mountains
• Ōu Main Line
• Ohu University

• Croatia Airlines (IATA code OU)
• Orthodox Union (Union of Orthodox Jewish Congregations of America)
• Our Ukraine (political party)

• {{okina}}Ō{{okina}}ū, a bird (Psittirostra psittacea)
• oculi uterque, Latin for both eyes, in eyeglass prescriptions
• Organizational Unit in computing, particularly in the Lightweight Directory Access Protocol (LDAP)
• Over unity, a phrase related to perpetual motion
• "Overused", in competitive Pokémon tiering
• One Utama, or 1 Utama

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