BDK may refer to: Big Daddy Kane, an American rapper Bank BDK, a former Polish bank Black Disciple Killer, term popularized by Lil JoJo in his song 3HunnaK Bruderschaft des Kreuzes, a professional wrestling stable in Chikara Budukh language (ISO-639-3 code) Bukkyo Dendo Kyokai, a Japanese organization devoted to translating and disseminating Buddhist literature Bundu dia Kongo, a politico-religious group in Bas Kongo, Democratic Republic of the Congo Federation of German Detectives (Bund Deutscher Kriminalbeamter) Quebec comics, called by some in the 1970s Bande dessinée kébécoise Brian De Keersmaecker, Belgian footballer