STX (disambiguation)

STX may be:
*STX, a sports manufacturer based in Baltimore, Maryland.
*A common abbreviation for St. Croix, U.S. Virgin Islands.
*Henry E. Rohlsen Airport (IATA: STX), an airport on St. Croix, U.S. Virgin Islands.
*"Studentereksamen", an examination used in Denmark for the secondary school called gymnasium.
*STX Corporation, a Korea-based holding company.
*Streaming Transformations for XML, an XML transformation language.
*Start of Text, a control code in the C0 control code set.
*Seagate Technology, a manufacturer of hard disk drives for PC and many entertainment devices, based on its stock symbol STZ.
*Saxitoxin, a neurotoxin found in marine dinoflagellates.
*Situational Training Exercise, army combat training usually taking place at the squad or section level.