WD may refer to:
Arts and entertainment
- The Walking Dead (TV series)
- Watership Down
- White Dwarf (magazine)
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)