TCDD may refer to any of the following:
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Turkish State Railways
The State Railways of the Republic of Turkey ( tr, Türkiye Cumhuriyeti Devlet Demiryolları), abbreviated as TCDD, is a government-owned national railway company responsible with the ownership and maintenance of railway infrastructure in Turkey ...
(Türkiye Cumhuriyeti Devlet Demiryolları) - The national railway carrier of Turkey.
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TCDD Taşımacılık - A Turkish transport company responsible for railway operations.
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2,3,7,8-Tetrachlorodibenzodioxin — a type of
dioxin.
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Texas Council for Developmental Disabilities
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