TAM may refer to:


* Thioacetamide, an organosulfur compound * Tumor-associated macrophage, a class of immune cells * Transparent Anatomical Manikin, an educational model


* Tanque Argentino Mediano, the main battle tank of Argentina * Technology acceptance model, an information systems theory * Teen Age Message, interstellar radio transmissions * Telecom Application Map * Telephone answering machine * IBM Tivoli Access Manager, access control software * Twentieth Anniversary Macintosh, a limited-edition personal computer released by Apple in 1997 *Technical Account Manager


* TAM – Transporte Aéreo Militar, Bolivian airline * TAM Air, a Georgian airline * Tovarna avtomobilov Maribor, a former Slovenian automotive company * Transports de l'Agglomération de Montpellier (TaM), a public transport company in France * TAM Airlines (TAM Linhas Aéreas), the former name of LATAM Brasil * IATA airport code of General Francisco Javier Mina International Airport, Tampico, Mexico * National Rail code of Tamworth railway station, England *TAM Management, Georgia * Tbilisi Aircraft Manufacturing, Georgia * MTR station code of Tamar station, Hong Kong


* Tam Lin, in a Scottish Borders ballad * Tam Sventon, a private detective in Swedish children's novels * River Tam, in the ''Firefly'' television series * Simon Tam, in the ''Firefly'' television series * Tấm, in the Vietnamese fairy tale The Story of Tam and Cam *Tam Song, in the teen novel series Keeper of the Lost Cites

Other uses

* Tam (name), a list of people with the first name, nickname or last name * Tam cap * Tam o' shanter (cap), bonnet from Scotland * TAM (theatre), a theatre in North Rhine-Westphalia, Germany * TAM Media Research, an Indian television audience measurement company * TAM Mild Jalapeño, developed by Texas A&M University * Cyclone Tam (2006) * The Amaz!ng Meeting, conference on critical thinking * Total addressable market, for a product or service * Mount Tamalpais, California, known locally as Mount Tam * Tainan Art Museum, a museum in Tainan, Taiwan * Tamalpais High School, California, United States, often abbreviated as Tam * Picul or tam, a traditional Asian unit of weight * ISO 639-3 language code of the Tamil language * Team Action Management, programme that Albert S. Humphrey was involved with * Tense–aspect–mood (or Tense–aspect–mood–evidentiality, abbreviated as ), refers to a group of grammatical categories in the study of linguistics.

See also

* TAM 5 or ''The Spirit of Butts' Farm'', the first model plane to cross the Atlantic Ocean * Tams (disambiguation) * Tamtam (disambiguation) {{disambiguation