Hennig Wichmann (died 1402) was one of the leaders of the Likedeeler, an association of former Victual Brothers who had turned pirate.

Together with Klaus Störtebeker and Magister Wigbold, he wreaked havoc in the North and Baltic Sea at the end of the 14th century. They owned fast ships which were able to capture Hanseatic ships with ease. Their aim was plunder and surviving prisoners were usually thrown overboard.

In 1402 Wichmann was captured and executed by beheading on the Grasbrook in Hamburg together with 73 of his men, less than a year after the capture and execution of Klaus Störtebeker.

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