WDU

WDU may refer to one of several things:


 * WDU (software), a DOS mainframe disc utility
 * Wadjigu language has the ISO-639 code wdu
 * Wellington Diamond United, a former New Zealand soccer club
 * West Dulwich railway station, in England, has the railcode WDU
 * West Dunbartonshire, Scotland, has the ISO code WDU
 * Western Delta University in Nigeria
 * Workers Defense Union (1918-1923), a radical legal defense organization in the United States
 * Waste disposal unit, UK name for garbage disposal unit