KDD

KDD may refer to:


 * Khuzdar Airport (IATA code: KDD), Balochistan, Pakistan
 * Knowledge discovery in databases, a form of data mining
 * KDD – Kriminaldauerdienst (Berlin Crime Squad), a German television series broadcast from 2007 to 2010
 * KDD Group, a Ukrainian real estate development company
 * KDDI, a Japanese telecommunications company, formerly known as KDD
 * Yankunytjatjara dialect (ISO 639:kdd)