What nationality is the surname Herweyer?

AnswerThis could be of German extraction or Dutch AnswerThis interesting surname Herweyer is of Dutch origin, from the Netherlands. Herweyer is an americanized form of Dutch: Herweijer.

This surname Herweyer is mostly found in Michigan, USA.

In google translate, the surname Herweyer and Herweijer sound almost exactly the same in English. This tells you that Herweyer is a variant of Herweijer.