Se

SE, Se, or Sé may refer to:

• Standard Edition (e.g. Java Platform, Standard Edition)
• Special edition
• Second Edition (e.g. Windows 98 Second Edition)

• Sé (album), by Lúnasa, 2006
• Se (instrument), a traditional Chinese musical instrument

• Societas Europaea, a form of legal entity registered under European Union law
• Sea Ltd (NYSE: SE), tech conglomerate headquartered in Singapore
• Slovenské elektrárne, electric utility company in Slovakia
• XL Airways France, IATA airline designator SE
• Southeastern (train operating company), or SE Trains Limited, in England

• Sè, Atlantique, Benin
• Sè, Mono, Benin
• Subprefecture of Sé, São Paulo, Brazil
• Sé (district of São Paulo)
• Sé (São Paulo Metro), a station
• Sé, Hungary
• Sé, Macau
• Sé (Angra do Heroísmo), Terceira, Azores, Portugal
• Sé (Braga), Portugal
• Sé (Bragança), Faro, Portugal
• Sé (Funchal), Madeira, Portugal
• Sé, Lamego, Portugal
• Sé (Lisbon), Portugal
• Sé, Portalegre, Portugal
• Sé (Porto), Portugal
• SE postcode area, London, England
• Sergipe (SE), a state of Brazil
• Sweden, ISO country code SE

• Se (kana) (せ and セ), a Japanese kana
• Northern Sami language, ISO 639-1 code se
• Standard English, in linguistics
• Se (letter) (Ս,ս) an Armenian letter

• Se (unit of measurement), a Japanese unit of area
• .se, Internet country code top-level domain for Sweden
• Se, a text editor
• Selenium, symbol Se, a chemical element
• Special Euclidean group
• Standard error, of a statistic
• Status epilepticus, a medical state of persistent seizure
• Synthetic environment, a computer simulation
• Sony Ericsson, a former name of Sony Mobile
• iPhone SE, a series of budget smartphones by Apple
• Macintosh SE, an Apple personal computer

• Southeast (direction)
• S. E. (name), initials used by several people
• Lisbon Cathedral, or simply the Sé, Portugal
• Sé da Guarda, Portugal
• Split end, a type of wide receiver in American football
• Somatic experiencing, a method of alternative therapy
• Asüna SE, a compact car marketed in Canada
• Secondary School Entrance Examination, a standardized examination from 1962 to 1977

• Single-ended (disambiguation)
• Windows 11 SE, a computer operating system