SXT

SXT may refer to:


 * Soft X-ray transient or X-ray nova
 * soft X-ray telescope, a telescope that views soft X-rays
 * an instrument on the Yohkoh (SOLAR-A) space probe
 * an instrument on the Astrosat space probe
 * an instrument on the Hitomi (ASTRO-H) space probe
 * Saxitoxin
 * Co-trimoxazole
 * SXT Technology Solutions, a European telecommunications company
 * the ICAO airline code for Servicios De Taxi Aéreo, see Airline codes-S
 * the rail code for Salem Town railway station
 * the NYSE stock ticker symbol for Sensient Technologies Corporation
 * the sign extend operation for the PDP-11 architecture
 * SXT the former trim model for a Dodge Grand Caravan.