WD may refer to:
Arts and entertainment The Walking Dead (TV series) Watership Down White Dwarf (magazine) W.D. Gaster, a character in Undertale and Deltarune
Businesses and organizations Government agencies Royal Canadian Air Force Women's Division War Department (United Kingdom)
Other businesses and organizations DAS Air Cargo (IATA code WD) Wardair (defunct IATA code WD) WD-40 Company, manufacturer of household and multi-use products, well known for its signature brand, WD-40. Western Digital, a computer storage manufacturer Western Economic Diversification Canada, a Canadian government agency Wikidata, a Wikimedia Foundation collaborative online project Wilts & Dorset, a southern England bus operator Winn-Dixie, an American supermarket chain
Places WD postcode area, England, UK County Waterford, Ireland
Science and technology WD-40, a penetrating oil spray Band 3, a protein Web Dynpro, a web application for developing business applications Whipple's disease, a rare, systemic infectious disease caused by the bacterium Tropheryma whipplei White dwarf, a compact star in astronomy Working directory, in computing Western Digital, a storage brand
Other uses Walt Disney, American cartoonist and businessman Wedding Day Weekday "Well done," in Internet slang Withdrawal (disambiguation) Wing defence, position in netball Working Draft, a stage in the standardization process of the International Organization for Standardization
See also Watchdog (disambiguation)