OU

OU or Ou or ou may stand for:

United States

 * 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

Japan

 * 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

Other countries

 * 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

Language and writing

 * 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

Surnames

 * O (surname), anglicized as Ō, (王), a Japanese family name
 * Ou (surname) (區 or 歐), a Chinese family name

Geography

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

Organizations

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

Other uses

 * Ōū, 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