Oe

Oe or OE may refer to:

Language, linguistics, phonics and writing

 * Old English, the English language spoken in the Early Middle Ages
 * Œ or œ, a ligature of o and e used in the modern French and medieval Latin alphabets
 * Oe (digraph)
 * Open front rounded vowel or 
 * Open-mid front rounded vowel or 
 * Ö, a character sometimes representing 'oe', appearing in some Germanic, Turkic, and Uralic languages
 * Ø, a Northern European (Danish, Faroese, Norwegian) or Sami vowel, representing œ, 'oe' diphthong etc.
 * Ө, a letter in the Cyrillic alphabet

Places

 * Oe, Estonia, a village of Estonia
 * Ōe, Yamagata, a town of Japan
 * Oe District, Tokushima, a former district of Japan
 * Ōe, Kyoto, a former town of Japan
 * Oe (Attica), a town of ancient Attica, Greece
 * Oe, a shortcut for the Czech city Otrokovice
 * Olathe East High School, a high school in Olathe, Kansas, US

People

 * Ōe (surname), a Japanese surname
 * Kenzaburō Ōe, a major Japanese writer
 * Old Edwardian (OE), a former pupil of various schools named after a King Edward or St. Edward
 * Old Etonian (OE), a former pupil of Eton College, England

Groups and organizations

 * Ordem dos Engenheiros (OE), a Portuguese order of engineers
 * Order of Excellence of Guyana, the highest honour of Guyana
 * Okean Elzy, a Ukrainian rock band
 * OE, then-IATA code of Laudamotion, a former ultra low cost airline subsidiary of Ryanair Holdings

Science and technology

 * Cessna OE Bird Dog, a U.S. Marine Corps observation aircraft later redesignated O-1 along with the similar U.S. Army L-19
 * °Oe, a measurement on the Oechsle scale for the density of grape must
 * Oersted (Oe), a unit of magnetic field strength
 * On30 or Oe, a model railway gauge
 * OpenEmbedded (OE), a Linux-based embedded build system
 * Opportunistic encryption (OE), a means to combat passive wiretapping
 * Outlook Express, a former email program of Microsoft
 * Ophryocystis elektroscirrha, a parasite of monarch and queen butterflies

Other uses

 * Odakyū Enoshima Line
 * OE, the aircraft registration prefix for Austrian aircraft
 * Overseas experience (OE), a New Zealand term for extended working holidays
 * Overview effect, the cognitive shift experienced by astronauts when viewing Earth from space
 * Object Explosion, an American animated webseries from 2018-2022