Tam

TAM may refer to:

Biology

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

Technology

 * Tanque Argentino Mediano, the main battle tank of Argentina
 * Technological Association Malaysia, a learned society
 * Technology acceptance model, an information systems theory
 * Teen Age Message, interstellar radio transmissions
 * Telecom Application Map
 * Telephone answering machine
 * Twentieth Anniversary Macintosh, a limited-edition personal computer released by Apple in 1997

Transportation

 * TAM – Transporte Aéreo Militar, Bolivian airline
 * TAM Air, a Georgian airline
 * TAM Airlines, now known as LATAM Brasil
 * Tovarna avtomobilov Maribor, a former Slovenian commercial vehicle manufacturer,
 * Transports de l'Agglomération de Montpellier (TaM), a public transport company in France
 * 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
 * MRT station abbreviation of Tampines MRT station, Singapore

Characters

 * 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 Keeper of the Lost Cities series

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
 * Toyota Astra Motor, an Indonesian automotive company
 * 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.