WMD, or wmd, may refer to:
Science and technology Weapon of mass destruction Weighted mean in statistics Wiggle-match-dating or wiggle matching in carbon dating World Meteorological Day
Transportation WMD, the National Rail code for Wymondham railway station in Norfolk, UK WMD, the station code for Westmead railway station in Sydney, Australia
Other uses Wagner-Murray-Dingell Bill, failed US healthcare reform bill West Midlands (county), metropolitan county in England, Chapman code wmd, the ISO 639-3 code for the Mamaindê language spoken in the Mato Grosso state of Brazil World Malaria Day W.M.D., a 2017 film Water Management Districts, such as the water management districts in Florida
See also