TT, Tt, tt, or .tt may refer to:

Arts and entertainment

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Gaming

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Music

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Other arts and entertainment

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Business and organizations

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Language

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Science and technology

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Medicine

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Computing

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Other science and technology

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Sports

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  • Time trial, in racing sports, a race against the clock to secure the fastest time
  • TT Pro League, a professional association football league for clubs in Trinidad and Tobago

Motorcycle races

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  • Isle of Man TT, an annual motor-cycle racing event held on the Isle of Man
    • TT Zero, an Isle of Man TT race for solo motorcycles producing low-emissions
  • Dutch TT, a motorcycling event, held on the last Saturday of June
  • Welsh TT, historic motorcycle road races originally held annually on Pendine Sands, Wales, UK circa 1920
  • Welsh TT, historic motorcycle road races originally held annually at Mynydd Epynt, Wales, UK circa 1950

Transportation

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Other uses

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See also

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