Brenneis is a German language occupational surname[1][2][3] for a blacksmith and may refer to:
German: occupational name for a blacksmith, a variant of Brenneisen (see Brenizer).
Approximately 1,519 people bear this surname. Most prevalent in: Germany; Highest density in: Austria.
Surname Brenneis is used at least 613 times in at least 10 countries.