DTD may refer to:
Arts and entertainment Desktop Tower Defense, a Flash-based strategy game DTD (TV station), a digital television station in Darwin, Northern Territory, Australia December to Dismember, a former wrestling pay-per-view event Dust-to-Digital, a record label specializing in American folk music
Science and technology Data transfer device, as found in AN/CYZ-10, a cryptographic device for receiving, storing, and transferring keys Detailed timing descriptor, a block containing supported output resolution details in Extended Display Identification Data Document type definition, used in markup languages such as XML Direct-to-disk recording, recording of audio or video to random access digital media as opposed to tape
Medicine Developmental topographical disorientation, a cognitive disorder marked by inability to navigate within the environment Diastrophic dysplasia, an autosomal recessive dysplasia which affects cartilage and bone development Developmental trauma disorder, a childhood equivalent of complex post-traumatic stress disorder
Other uses Danube–Tisa–Danube Canal, a water system in Serbia Dekoratie voor Trouwe Dienst, a military decoration of the South African Defence Force between 1921 and 1946 Delta Tau Delta, a U.S.-based college fraternity
See also Dopamine transporter deficiency syndrome (DTDS), an autosomal recessive Parkinsonism dystonia