DX

DX may refer to:

In arts and entertainment

 * DX (album), a 2013 album by Friendzone
 * D-Generation X, a professional wrestling stable
 * D-Generation X: In Your House, 1997 pro wrestling PPV
 * Design Exchange, a museum of design in Toronto
 * Deus Ex, a series of video games
 * Deus Ex (video game), the first game in the series
 * Pretty Cure All Stars DX: Everyone's Friends - the Collection of Miracles!, a 2009 anime film
 * Sonic Adventure DX: Director's Cut, a 2003 video game

Businesses

 * Danish Air Transport (IATA code)
 * DX Group, a British mail courier and logistics company
 * Dynex Capital Inc, listed on the New York Stock Exchange, ticker symbol DX
 * Sunray DX Oil Company, a former American petroleum company, now part of Sunoco

Biology and medicine

 * Diagnosis, Dx or Dx in medical shorthand
 * DX (Double crossover) molecule or motif, in DNA nanotechnology
 * Digital radiography, in the DICOM standard

Computing and telecommunications

 * Developer experience the experience of using a product or service from a developer's perspective
 * 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
 * DXing, in amateur and public radio
 * DX register, a 16-bit general-purpose X86 processor register
 * Digital transformation, the use of new digital technology in problem-solving applications

Photography

 * DX encoding, a standard marking for 35 mm and APS film cartridges
 * Nikon DX format, a sensor/lens format for Nikon cameras

Vehicles

 * Albatros D.X, a 1918 German prototype single-seat fighter biplane
 * Bavarian D X, an 1890 German saturated steam locomotive model
 * DX, a class of locomotives of the London and North Western Railway
 * Fokker D.X, a 1918 Dutch fighter aircraft
 * New Zealand DX class locomotive, operated by KiwiRail

Other uses in science, technology, and mathematics

 * $dx$, in calculus, a differential in Leibniz's notation of a variable x
 * Direct exchange (DX), direct exchange geothermal heat pump, an energy-efficiency environmental control cooling technology
 * Yamaha DX Series, FM synthesizers produced by Yamaha Corporation

Other uses

 * 510, in Roman numerals
 * DX, an emoticon; see List of emoticons
 * Delta Chi, a social fraternity
 * Deluxe (disambiguation)
 * Dx (digraph), in linguistics
 * U.S. Dollar Index, abbreviated USDX
 * Mario Kart Arcade GP DX a 2013 arcade game and the sequel to Mario Kart Arcade GP and Mario Kart Arcade GP 2