HTX

HTX may refer to:


 * Hashitoxicosis
 * Heart transplantation
 * Heat exchanger
 * Hemitoxin
 * Higher Technical Examination Programme of the Danish educational system
 * Home Team Science and Technology Agency, a statutory board in the Singapore government focusing on science and technology in public security
 * Homothorax
 * Houston, Texas, United States
 * HTX (cryptocurrency exchange)
 * Middle Hittite language, an extinct language of Anatolia
 * ZIC3, a protein
 * HyperTransport Expansion connector, part of the HyperTransport specification