Edith Flagg (née Faierstein, also known as Feuerstein; November 1, 1919 – August 13, 2014) was an Austrian-born American fashion designer, fashion industry executive, and philanthropist. She was the first designer to import polyester as a fashion textile to America. In her later life, Flagg became known for her re-occurring role on the Bravo television program Million Dollar Listing Los Angeles with her grandson Josh Flagg.