SX

SX, Sx, sx, or Sx may refer to:

In medicine
 * Sx, symptoms
 * Sx, surgery

In music
 * SX (band), a Belgian indie pop band
 * S-X, a British producer and singer

In technology:
 * .sx, the country code top-level domain for Sint Maarten
 * Betacam SX, a type of videotape for Betacam
 * 1000BASE-SX, a fiber optic gigabit Ethernet standard
 * MAN SX, a range of high mobility tactical trucks
 * Parallax SX, a range of micro-controllers made by Ubicom
 * NEC SX architecture of supercomputers

Other uses:
 * SX News, a gay and lesbian newspaper in Australia
 * sx salon, a digital platform providing a forum for critical and creative explorations of Caribbean literature
 * Skybus Airlines (IATA airline code SX)
 * AMA Supercross Championship, a form of off-road motorcycle racing
 * Shanxi, a province of China (Guobiao abbreviation SX)
 * Ŝ, a letter in the Esperanto alphabet