Erivan Karl Matthias Haub (29 September 1932 – 6 March 2018) was a German billionaire businessman, and the managing director and part owner of Tengelmann Group, one of Germany's largest retailers.
At one time, he was the 6th richest man in the U.S., just one position ahead of Bill Gates, but later dropped to about 250th.
Upon the death of his uncle Karl Schmitz-Scholl in March 1969 he became the group's managing director.
In the following years, Tengelmann focused on the development of its international business, which led to the 1979 takeover of The Great Atlantic & Pacific Tea Company.
They lived in Wiesbaden and had three sons: The Haub School of Business at Saint Joseph's University is named in his honour.