Elizabeth Handley-Seymour (1867–1948) was a London-based fashion designer and court-dressmaker operating as Madame Handley-Seymour between 1910 and 1940. She is best known for creating the wedding dress worn by Elizabeth Bowes-Lyon, the future Queen Elizabeth The Queen Mother, for her marriage to the Duke of York, the future King George VI, in 1923; and later, Queen Elizabeth's coronation gown in 1937.