LDK

LDK may refer to:


 * Ceritinib or LDK378, a drug used for the treatment non-small cell lung cancer
 * L.D.K. Lounge Designers Killer, a 2005 album by Japanese band Capsule.
 * LDK, an abbreviation for Living room, Dining room, Kitchen for housing options in Japan.
 * L DK, a romantic comedy manga series by Ayu Watanabe.
 * LDK Solar Co, a Chinese company that manufactures crystalline solar wafers
 * Campus Dakwah Institute (Lembaga Dakwah Kampus), a term for Islamic student organization in Indonesia
 * Democratic League of Kosovo (Lidhja Demokratike e Kosovës), a political party in Kosovo
 * Lidköping-Hovby Airport, IATA airport code
 * Grand Duchy of Lithuania (Lietuvos Didžioji Kunigaikštystė), a medieval state in Eastern Europe


 * Lycée de Kigali, a secondary school in Kigali, Rwanda