KDA or similar may refer to: KDA (DJ), an English house DJ K/DA, a virtual K-pop group , the German name of the Combat Groups of the Working Class, a paramilitary organization in East Germany Kachin Defense Army Karachi Development Authority, a defunct urban development organization in Karachi, Pakistan Kollam Development Authority, an autonomous statutory body responsible for the development of Kollam city, India Kentucky Distillers' Association, a trade group of distillers that sponsors the Kentucky Bourbon Trail Kennedy's Disease Association, an American medical charity Khulna Development Authority, an autonomous statutory body responsible for the development of Khulna city, Bangladesh Kilodalton (kDa), 1000 unified atomic mass units Kongsberg Defence & Aerospace, a Norwegian supplier of defence and space related systems and products Kotelawala Defence Academy, an alternative form of the name of General Sir John Kotelawala Defence University, a Sri Lankan joint services academy The ISO 639-3 code for the Worimi language, an Australian Aboriginal language