SX
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