Colonel Alexander Heinrich Gebhard von Zastrow (20 August 1768 in Kolpin – 23 June 1815 in Namur) was a Prussian officer during the Napoleonic Wars.

[1][2] Von Zastrow was mortally wounded during the storming of Namure on 20 June 1815 leading the Prussian 6th Brigade in an attack on the French rearguard.

[2] Von Zastrow was married to Mathilde von Blankenstein (1777–1868).

They had a notable son:

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