Léone-Noëlle Meyer (born 8 November 1939) is a French heiress, pediatrician, businesswoman and philanthropist. The adoptive granddaughter of the founder of the Galeries Lafayette, she served as its chairman from 1998 to 2005. She was a pediatrician for 45 years. She has made humanitarian trips to South America, Africa and Asia, and she has supported Jewish causes and the Paris Opera. She was awarded the 2007 Medal of the Great Donor by the French Ministry of Culture for her philanthropy.