TTT

TTT or Triple T may refer to:

Science

• Time-temperature transformation, a plot of temperature versus time; see Isothermal transformation diagram
• Tangled Type Theory, an extension of Typed Set Theory; see New Foundations
• Phenylalanine, an amino acid with the codon TTT
• Tilt table test, a medical test for dysautonomia and/or syncope

Arts, entertainment, and media

Film

• The Lord of the Rings: The Two Towers, a 2002 film adaptation of the Tolkien novel
• Thalaivar Thambi Thalaimaiyil, a 2026 Indian Tamil-language political satire film

Television

• Tinga Tinga Tales, a television cartoon series about animals
• The production code for the 1973 Doctor Who serial The Green Death
• Talk TV (Philippine TV network), an English-language news and talk television network in the Philippines
• Trinidad and Tobago Television, a television network in Trinidad and Tobago

Books

• The Two Towers, the second volume of J. R. R. Tolkien's novel The Lord of the Rings (1954)
• Tres tristes tigres (novel), a 1967 novel by Guillermo Cabrera Infante

Games

• Tic-tac-toe, a game
• Tekken Tag Tournament, the fourth installment of the Tekken fighting game series
• Trouble in Terrorist Town, a game mode for Garry's Mod

Music

• Triple Trip Touch, a free-jazz band

Businesses and organisations

• Thalir Thiran Thittam, a life skills education program in India
• TT Technologies, a construction equipment manufacturer
• Taupo Totara Timber Company, a former timber company in New Zealand
  • Taupo Totara Timber Railway, a former railway in New Zealand built by the Taupo Totara Timber Company

Other uses

• Taitung Airport, IATA code TTT
• Team time trial, a bicycle racing event
• "Triple T", a former name of the Sea FM radio station
• Morse code prefix for messages announcing safety warnings, equivalent of Sécurité
• Tung Tung Tung Sahur, an AI-generated fictional Internet meme character often abbreviated as "Triple T"

See also

• TT (disambiguation)
• 3T (disambiguation)
• T3 (disambiguation)