SX stands for:

  • Simplex -related communication in communication technology; see Duplex ( Communications Engineering )
  • Siemens PC -SX, a microcomputer Siemens for industrial use in automation technology
  • Skybus Airlines, former American airline ( IATA code )
  • Sky Work Airlines, Swiss airline ( IATA code )
  • Supercross, Motocross motorcycle racing variant of the
  • Symphony X, American progressive metal band
  • Order abbreviation for Xaverian Missionaries
  • Sint Maarten, as the country code according to ISO 3166-1
  • Greece (as aircraft identification)

SX as distinguishing signs on license plate:

  • Disambiguation
  • Abbreviation