Daniel Harrison Overmyer (December 6, 1924 – July 24, 2012) was an American businessman and warehouse mogul. During the height of his career, Overmyer was referred to as "the king of warehousing".Overmyer founded and operated the D.H. Overmyer Warehouse Company which included more than 350 warehouses and 32 million square feet of space in North America and Europe. He also operated the Overmyer Communications Company.