Mildred Ruth Mottahedeh (née Wurtzel; August 7, 1908 – February 17, 2000) was an American collector of ceramics, businessperson, and philanthropist. With her husband, Rafi Y. Mottahedeh, she co-founded Mottahedeh & Company, a designer and supplier of luxury porcelain based on historical models or direct replicas. The couple also gathered a large personal collection of antiques, mainly Chinese export porcelain.