KDY

KDY could refer to:


 * Kirkcaldy railway station, Scotland, with National Rail station code KDY
 * Kildorrery, Ireland, commonly abbreviated as KDY locally.
 * Krio Descendants Union
 * Kuat Drive Yards, a company in the fictional Star Wars universe that manufactures Star Destroyers
 * Kongelig Dansk Yachtklub, a yacht club in Denmark