ZKD
ZKD stands for:
- Zentraler Kurierdienst , a postal service of the Ministry of the Interior of the GDR
- Żuławska Kolej Dojazdowa , a narrow-gauge railway near Danzig, originally West Prussian Kleinbahnen AG
- Cylinder head gasket
- Center for communication technology and data processing, predecessor of the Informatics Center State Administration Baden-Württemberg (IZLBW)
- Central Criminal Police Service, an organizational unit in the police force , mostly responsible for solving serious crimes
- Leningrad Railway Station (IATA code)