AM or Am may refer to:
  • Artium Magister, alternative abbreviation for a Master's degree in Arts

  • Americium, a chemical element with symbol Am

  • Arthur-Merlin protocol, an interactive proof system in computational complexity theory

  • Automated Mathematician, an artificial intelligence program

  • Attometre (am), a unit of length (equal to 10–18 m)

  • Order of Australia member (postnominal)

  • Accelerated Math in the US or Accelerated Maths in the UK


  • In timekeeping:

  • ''Ante Meridiem'', in 12-hour clock notation, Latin for "before noon"

  • ''Anno Mundi'', a Calendar era counting from the creation of the world

  • ''Anno Martyrum'', used in the Coptic calendar


  • In communications:
  • "Away message", see status message (IM)

  • ''"Above mentioned"'' in Internet slang

  • Airmail

  • AM broadcasting, radio broadcasting using Amplitude Modulation


  • In entertainment:

  • All Music, a music database

  • AM (ABC Radio), radio current affairs programme

  • A.M. (album), album by rock band Wilco

  • AM (fictional computer), a fictional evil supercomputer in the short story ''I Have No Mouth, and I Must Scream''

  • Ante-Meridiem (Band), an indie rock band

  • A-minor (Am), a minor chord in music

  • The Arctic Monkeys, a British Indie band

  • American Morning, the morning news program on CNN


  • In geography:

  • America or American (as in Pan-Am and Trans-Am)

  • Armenia (ISO country code AM)

  • Anguilla (MARC country code am)

  • Amazonas State, Brazil

  • Amharic language (ISO 639-1 language code am)

  • Amran Governorate, Yemen (ISO 3166-2:YE)


  • In transportation:

  • Aston Martin

  • Aeroméxico (IATA airline designator)

  • Asia Miles, a Cathay Pacific travel reward programme

  • Arkansas and Missouri Railroad, a short-line railroad headquartered in Springdale, Arkansas

  • A.M. (1906 automobile), an early French automobile


  • In the military:

  • Air Marshal, a military rank in the Royal Air Force and many Commonwealth air forces

  • Air Medal, a military decoration

  • Minesweeper (ship), U.S. Navy 1921 warship classification code

  • Anti-materiel rifle, a weapon for use against material rather than combatants


  • In UK Politics:
  • Assembly Member of the National Assembly for Wales or London Assembly


  • See also
  • AM2


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