XD

XD or xD may refer to:

Arts and entertainment

Adobe XD, a user experience design software developed by Adobe Systems
XD bit (or NX bit), a security-related computer technology for x86 and x64 processors
XDCAM, a professional video disc format
xD-Picture Card, an obsolete flash memory card format
Extreme Digital Cinema (Cinemark XD), a premium large format by Cinemark Theatres
User experience design (UXD, UED, or XD), process of enhancing user satisfaction with a product

Ford XD Falcon, an Australian-built family car between 1979 and 1982
Scion xD, a subcompact hatchback sold by Toyota's youth-oriented division Scion, a.k.a. Toyota Ist (Gen.2) or Urban Cruiser.
DOK-ING XD, a Croatian concept car made by DOK-ING
New Flyer XD40 and XD60, model numbers for its Xcelsior transit bus family
Defender XD (extra duty), a model of Land Rover Defender
Hyundai Avante XD, a name for the 3rd Generation of Hyundai Elantra (XD Series) (South Korea)

XD, an emoticon commonly used to symbolize extreme laughter or happiness
Independence Party (Iceland) (xD)
Springfield Armory XD, a line of semi-automatic pistols marketed by Springfield Armory