Alexander Otto (born 7 July 1967) is a German billionaire businessman.
As of December 2024, Forbes estimated his net worth to be US$8.4 billion.
He is the majority owner and CEO of ECE Group, a commercial property company specialising in shopping centres, which was also founded by his father.
He is also a member of the supervisory board of the Otto Group, of Deutsche EuroShop AG and of SITE Centers in Cleveland/USA.
[1] The Otto family is consistently ranked among the wealthiest Germans.