Be

• Be (Cyrillic), a letter of the Cyrillic alphabet
• be (interjection), in several languages
• Be (kana), in syllabic Japanese script
• Be languages or Ong Be, a pair of languages of northern Hainan province, China
• Belarusian language, ISO 639-1 code: be
• Black English, or African-American Vernacular English, an English dialect
• British English, abbr. BE, usually used in contrast to AE (American English)
• To be, the English copular verb

Albums

• Be (Beady Eye album), 2013
• Be (Casiopea album), 1998
• Be (Common album), 2005
• BE (Pain of Salvation album), 2004
  • BE (Original Stage Production), a 2005 live album by Pain of Salvation
• Be (BTS album), 2020

Songs

• "Be", a song by Neil Diamond from the 1973 soundtrack Jonathan Livingston Seagull
• "Be", a song by Jessica Simpson from In This Skin
• "Be", a song by Lenny Kravitz from Let Love Rule
• "Be", a song by Slade from Whatever Happened to Slade

• Be Inc., a former US software company (1990–2001) and developer of the Be Operating System (BeOS)
• Be Unlimited, a former UK Internet service provider (2003–2014)
• Badminton Europe, the governing body of badminton in Europe
• British Eventing, the British governing body for the equestrian sport of eventing
• BearingPoint (former stock ticker symbol BE)
• Bloco de Esquerda or Left Bloc, a Portuguese political party
• Bob Evans Restaurants, an American restaurant chain
• Bloom Energy, NYSE ticker symbol BE

• Bè, a neighborhood in Togo
• Belgium (ISO 3166-1 and FIPS 10-4 country code: BE)
• Berlin, a state of Germany (ISO 3166 code: DE-BE)
• Bermuda (World Meteorological Organization territory code: BE)
• Canton of Bern, a canton of Switzerland (ISO 3166 code: CH-BE)
• Lampung (vehicle registration prefix BE)

Computing

• .be, the country code top-level domain for Belgium
• Backup Exec, backup and recovery software from Veritas Software
• Big-endian, a system that stores the most significant byte of a word at the smallest memory address
• BeOS, an operating system by Be

Physics

• Baumé scale (°Bé), a density scale
• Be star, in astronomy, a B-type star
• Bejan number (Be), in thermodynamics and fluid mechanics

Other uses in science and technology

• Base excess (BE), excess or deficit in the amount of base in the blood
• Beryllium, symbol Be, a chemical element

• BE Be Electric, Electric Car Manufacturing Company
• Baltimore and Eastern Railroad Company (B&E), US
• Beriev (design office prefix: Be), a Russian aircraft manufacturer
• Blue Engines (prefix: BE), the rocket engines from Blue Origin
• BE, then IATA code of Flybe (2022–2023), former English airline
• BE, then IATA code of Flybe (1979–2020), former English airline
• BE, then IATA code of British European Airways (1946–1974), former British airline
• BE, Indian Railways station code of Bareilly Junction railway station, Uttar Pradesh, India
• Lampung (vehicle registration prefix BE)

• Bé (footballer), Portuguese footballer
• Bachelor of Engineering, an academic degree
• Bahá'í Era, in timekeeping
• Buddhist Era, in timekeeping