IWK

IWK may refer to:


 * IWK Health Centre
 * Indah Water Konsortium
 * Indigenous Weather Knowledge
 * Industrie-Werke Karlsruhe
 * Initiativen Wirtschaft für Kunst
 * Institut für Wiener Klangstil (Institute for Viennese Sound Style IWK)
 * IATA code for Marine Corps Air Station Iwakuni