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 (producer), 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
• Skybus Airlines (IATA airline code SX)
• AMA Supercross Championship, a form of off-road motorcycle racing
• Shanxi, a province of China (Guobiao abbreviation SX)
• Sx or sx, a…Read more on Wikipedia