TTC may refer to:

In arts and entertainment

* Tao Te Ching, the collection of sayings attributed to Lao Tzu * Tom Tom Club, an American new wave band * The Travel Channel, a cable channel devoted to travel * The Tennis Channel, a digital channel devoted to tennis * TTC (band), a French hip-hop trio

Businesses and organizations

* Toronto Transit Commission, a public transit operator in Toronto, Ontario, Canada * The Teaching Company, an American company that produces recordings of lectures by university professors, the distributor of ''The Great Courses'' * The Tetris Company, owner of the trademark and copyright for Tetris * Telecommunication Technology Committee, a telecommunications standards body in Japan *Trade and Technology Council, a diplomatic forum for EU-US trade and tech * Transmission Technologies Corporation, former name of automobile transmissions manufacturer TREMEC Corporation

Schools

* Tatung Institute of Commerce and Technology, a college in Chiayi City, Taiwan * Tendring Technology College, a secondary school in Essex, England * Trident Technical College, a two-year public college in greater Charleston, South Carolina * Tulsa Technology Center, a public college in Tulsa, Oklahoma * TTC Yangon (Teacher's Training College), a combined primary & secondary school in Yangon, Myanmar, under Practising School Yangon Institute of Education * Texas Technological College, former name of Texas Tech University * , a middle school in Tuen Mun, Hong Kong

Places

* Transbay Transit Center, an intermodal transit station in San Francisco * Trenton Transit Center, a train station in Trenton, New Jersey * Transportation and Ticket Center, a transport hub at the Walt Disney World Resort * Trans-Texas Corridor, an American transportation network of expressways, rails, and utility lines being constructed in Texas * Trans Thane Creek, a creek running between Thane and Navi Mumbai, India * Telford Town Centre, an area of central Telford, England, officially known Telford Shopping Centre * Transportation Technology Center, a federal rail testing facility in Pueblo, Colorado

In science and technology

* Tetrazolium chloride, a redox indicator commonly used in biochemical experiments especially to indicate cellular respiration * TrueType Collection, a file type that packs several TrueType fonts into a single file * Top trading cycle, an algorithm for trading or optimal matching indivisible items without using money * General time- and transfer constant analysis in electronic circuits * Toyota TTC (Toyota Total Clean system), an emission control technology used by Toyota during the 1970s * Tracking, telemetry, and control, a subsystem of spacecraft and ground segments which handles communications * Threshold of Toxicological Concern, in toxicology *TTC, a codon for the amino acid Phenylalanine * ''Cugir Tokarov'', a Romanian TT pistol#Variants, variant of the Soviet TT-33 pistol {{disambiguation