TTX

TTX may refer to:

• Cessna 400 (also Cessna TTx), a single-engine aircraft
• Tetrodotoxin, a neurotoxin discovered in aquatic animals
• Tilting Train Express, a South Korean experimental train
• Tinyatoxin, a highly irritant analog of resiniferatoxin and capsaicin
• Trenitalia Tper, an Italian railway company
• TTX Company, a railroad freight car provider
• Mungalalu Truscott Airbase, IATA airport code "TTX"

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