Horst-Dieter Kolletschke (born 29 February 1952) is a retired Konteradmiral (rear admiral) of the German Navy.

Born in Eckernförde, from 1972 to 1975 Kolletschke studied electrical engineering at the University of Applied Sciences Kiel, before joining the navy.

After finishing his officer training, Kolletschke continued his studies in electrical engineering at the Bundeswehr University Munich from 1976 to 1979, earning a Diplom.

Kolletschke then worked as a logistics officer and squadron commander in Naval Air Wing 5 based in Holtenau.

He in 1983 returned to the Bundeswehr University Munich to work in military research and development at the Institut für Elektrische Maschinen und Antriebstechnik.