DID (disambiguation)

DID is an acronym commonly used for dissociative identity disorder, a psychiatric condition.

DID, or did, may also refer to:

Art and entertainment

 * Dance India Dance, a reality dance show on Zee TV, first aired in 2009
 * Digital Image Design, a video game developer
 * Dog Is Dead, a five-piece indie pop band from Nottingham, England

Mathematics and science

 * Difference in differences, a statistical technique
 * Discharge ionization detector, a detector in gas chromatography
 * Dodecadodecahedron, a uniform polyhedron

Other uses

 * Decentralized identifiers, a type of identifier in web applications
 * Data item descriptions, a specification used by United States Department of Defense contractors
 * Direct inward dialing, in telephony
 * Développement International Desjardins, a subsidiary of the Quebec-based Desjardins Group, a financial services company
 * Dublin Institute of Design, a higher education college in Dublin, Ireland
 * DID, the National Rail code for Didcot Parkway railway station in the county of Oxfordshire, UK
 * Nine Lights Doctrine (Dokuz Işık Doktrini), political ideology