MTT

MTT can refer to:

People

• Michael Tilson Thomas (nicknamed 'MTT'), American musician, conductor, pianist

Technology and science

• Meaning–text theory, a theory in linguistics
• MTT assay using dimethyl thiazolyl diphenyl tetrazolium salt, a type of tetrazole
• Multi-transaction translator, a particular functional unit in USB hubs

Business

• Marine Turbine Technologies
• Maritime Telephone and Telegraph Company, later known as MTT or MT&T

Transport

• Metropolitan Transport Trust, transport authority in Western Australia from 1958 to 2003
• Minatitlán/Coatzacoalcos National Airport, IATA code MTT
• Municipal Tramways Trust, former body in Adelaide, South Australia

Fiction

• Multi-troop transport vehicle in Star Wars
• Mettaton, a robot character from Undertale

Other

• Maria Theresa thaler, former Austrian coin used in many areas
• Pashtun Tahafuz Movement (PTM), formerly known as the Mehsud Tahafuz Tehrik (MTT), a human rights movement in Pakistan for the Pashtun people
• Multi-table tournament, a type of poker tournament
• Modus tollens, a kind of rule of inference also known as modus tollendo tollens