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 (OE), a Portuguese order of engineers Order of Excellence of Guyana, the highest honour of Guyana Okean Elzy, a Ukrainian rock band Science and technology °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 See also 0e (disambiguation), listing uses with the number nought OES (disambiguation)