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.