AM or Am may refer to:

Arts and entertainment

Music
 A minor, a minor scale in music
 A.M. (Chris Young album)
 A.M. (Wilco album)
 AM (Abraham Mateo album) 
 AM (Arctic Monkeys album)
 AM (musician), American musician
 Am, the A minor chord symbol
 Armeemarschsammlung (Army March Collection), catalog of German military march music
 Andrew Moore (musician), Canadian musician known as A.M.
 DJ AM, American DJ and producer
 Skengdo & AM, British hip hop duo

Television and radio
 AM (radio program), Australian current affairs radio program
 American Morning, American morning television news program
 Am, Antes del Mediodía, Argentine current affairs television program
 Am, a character in the anthology Star Wars: Visions

Other media 
 Allied Mastercomputer, the antagonist of the short story "I Have No Mouth, and I Must Scream"

Education
 Active Minds, a mental health awareness charity
 Arts et Métiers ParisTech, a French engineering school
 Australian Museum, a museum in Australia
 Master of Arts, an academic degree

Military 
 AM, the United States Navy hull classification symbol for "minesweeper"
 Air marshal, a senior air officer rank used in Commonwealth countries
 Anti-materiel rifle, rifle designed for use against military equipment
 Aviation structural mechanic, a U.S. Navy occupational rating

Science
 AM, a complexity class related to Arthur–Merlin protocol
 Adrenomedullin, a protein
 Air mass (astronomy), measure of the amount of air along the line of sight in astronomical observations
 Am, tropical monsoon climate in the Köppen climate classification
 Americium, symbol Am, a chemical element
 Attometre, a unit of length
 attomolar (aM), a unit of molar concentration

Technology
 .am, Internet domain for Armenia
 .am, a file extension associated with Automake software
 AM broadcasting, radio broadcasting using amplitude modulation
 Additive manufacturing, or 3-D printing, a process of making a three-dimensional solid object of virtually any shape from a digital model.
 Agile modeling, a software engineering methodology for modeling and documenting software systems
 Amplitude modulation, an electronic communication technique
 Automated Mathematician, an artificial intelligence program

Timekeeping
 anno martyrum, a method of numbering years in the Coptic calendar
 Anno Mundi, a calendar era based on the biblical creation of the world
 ante meridiem, Latin for "before midday", written e.g. 6a.m.

Transportation
 A.M. (automobile), a 1906 French car
 Aeroméxico (IATA airline code AM), airline in Mexico
 All-mountain, a discipline of mountain biking
 Arkansas and Missouri Railroad

Other uses
 Am (cuneiform), a written syllable
 Member of the Order of Australia, postnominal letters which can be used by a Member of the Order
 Assembly Member (disambiguation), a political office
 formerly a Member of the National Assembly for Wales, now Member of the Senedd
 Member of the London Assembly
 Amharic language (ISO 639-1 language code am)
 Armenia (ISO country code AM)
 Attacking midfielder, a position in association football
 The Book of Amos, part of the Tanakh and Old Testament
First-person singular present of the copula verb to be

See also 

 
 
 
 Pro–am
 `am (disambiguation)
 A&M (disambiguation)
 AM2 (disambiguation)
 AMS (disambiguation)