WD
WD is an abbreviation for:
- War Driving, systematic searches for wireless LANs with the help of a vehicle
- Wardair Canada, former Canadian charter airline under the IATA code
- Working directory to Winton Dean of the works of Georges Bizet, list of works by the composer Georges Bizet (1838-1875)
- Western Digital, American manufacturer of hard drives
- Scientific Services of the German Bundestag, Deputy of Administration of the German Bundestag
- The post code area Watford ( as the initial letters of a postcode from the UK )
WD as distinguishing signs on license plate:
- Germany: Kreis Wiedenbrück ( discontinued)
- Gambia: West Coast Region
- UK: Exeter
- Ireland: County Waterford / County Waterford
- Netherlands: Trailer
- Austria: Diplomatic Corps in Vienna
- Poland: Bielany, Municipality of Warsaw
- Disambiguation
- Abbreviation