EWD may refer to: Gaming Extreme Warfare Deluxe, a text-based wrestling-themed computer game
Science and technology Edsger W. Dijkstra (1930–2002), Dutch systems and computer scientist EWDs, his manuscripts Electric window defogger, on vehicular rear windows Electrical wiring diagram Electrowetting display, a form of electronic paper
Rail transport Earlswood railway station (West Midlands), in England Eastwood railway station, in Sydney, Australia