DX might refer to:

In arts and entertainment

Businesses

In science, technology, and mathematics

Biology and medicine

Computing and telecommunications

  • Dx an abbreviation used in relation to DOCSIS
  • DirectX, an application programming interface collection
  • Double word eXternal, in the context of 386DX and 486DX CPUs
  • DX encoding, a standard marking for 35 mm and APS film cartridges
  • DXing, in amateur radio
  • DX register, a 16-bit general-purpose X86 processor register

Vehicles

Other uses in science, technology, and mathematics

Other uses