Ronald Owen Perelman (; born January 1, 1943) is an American banker, businessman, investor, and philanthropist.
MacAndrews & Forbes Incorporated, his company, has invested in companies with interests in groceries, cigars, licorice, makeup, cars, photography, television, camping supplies, security, gaming, jewelry, banks, and comic book publishing.
Perelman holds significant shares in companies such as AM General, Deluxe Entertainment, Revlon, SIGA Technologies RetailMeNot, Merisant, Scantron, Scientific Games Corporation, Valassis, vTv Therapeutics and Harland Clarke.Perelman is annually one of the world's largest philanthropic donors.
As of January 2019, Perelman is the 49th richest American, and 152nd-richest person in the world, with an estimated wealth of $9.4 billion.
In September 2017, Forbes magazine named Perelman as one of the "100 Greatest Living Business Minds."