- ZDK stands for Zentralkomitees der Deutschen Katholiken (German: Central Committee of German Catholics; Bonn, Germany)
- ZDK stands for Zentralverbandes Deutsches Kraftfahrzeuggewerbe (German: German Central Association for Motor Trades)
- ZDK stands for Zentrum Demokratische Kultur (German: Democratic Culture Center)
- ZDK stands for Zentralverband Deutsches Kfz (German: German Automotive Industry)
- ZDK stands for ZigBit Development Kit
- ZDK stands for Zentralrat der Deutschen Katholiken (German Catholic Church Council)
- ZDK stands for ZigBee Demo Kit (Renesas Electronics Corp.)
- ZDK stands for Zero Degrees Kelvin
ZDK