TTX
# 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"
