DHK
DHK stands for:
- Datteln-Hamm Canal , a junction of the Dortmund-Ems Canal
- German Chamber of Commerce in Austria , representing the interests of German business in Austria
- Deutscher Herrenklub , an association of high-ranking personalities during the Weimar Republic
- DHL Air UK , a British airline (ICAO code)
- Danube flood protection competition , an Austrian organization