Blaak
Blaak is a Dutch surname. Its origin is believed to be a nickname, possibly referring to someone with dark hair or complexion, or perhaps someone who wore dark clothing. The word "blaak" itself can also refer to a large, open space or a clearing, particularly in a forest. It is a relatively common surname in the Netherlands.
Notable individuals with the surname Blaak include various historical figures and contemporary professionals across different fields.