GBD
GBD may refer to:
 Gilberdyke railway station, in England
 Gigabaud (GBd)
 Great Bend Municipal Airport,  Kansas, US
 Global Burden of Disease Study
 Green Beer Day, Miami University tradition
 Gaobeidian East railway station, China Railway pinyin code
 Great Barrington Declaration, a COVID-19 open letter
 Gundam Build Divers, Japanese anime series
 Golden Brown Delicious, referred to the Maillard Reaction