DX may refer to:
DX-Ball 2 is a brick buster game for Microsoft Windows, developed by Longbow Games. As a follow up to DX-Ball by Michael P.
DXing is the hobby of receiving and identifying distant radio or television signals, or making two way radio contact with distant stations in amateur radio, citizens' band radio or other two way radio communications.
The DX Century Club, or DXCC, is an amateur radio operating award earned by making contacts with licensed amateur operators in at least 100 "countries" (i.e.
DxO Labs is a software company based in Boulogne-Billancourt, France, that develops image processing software and maintains a website with technical measurements of lenses and cameras (Sensor Rating Score and Camera & Lenses Rating Score).
A DX-pedition is an expedition to what is considered an exotic place by amateur radio operators, perhaps because of its remoteness, access restrictions or simply because there are very few radio amateurs active from that place.
DxOMark is a website providing image quality ratings for standalone cameras, lenses, and mobile devices that include cameras.
DXN is a multilevel marketing company based in Malaysia. DXN was founded in 1993 by Dato' Dr. Lim Siow Jin.
DX (Digital indeX) encoding is an ANSI and I3A standard, originally introduced by Kodak in March 1983, for marking 135 and APS photographic film and film cartridges.