Louis Hippolyte Leroy

At the head of Hippolyte Leroy's bill, "Fashion Merchant of her Majesty the Empress [Joséphine]", Maison Boutin, rue de la Loi (now rue de Richelieu) in Paris.

Louis Hippolyte Leroy (1763–1829) was a French fashion merchant who founded the House of Leroy, one of the foremost fashion houses of the early 19th century First Empire Paris. He is known as the favorite fashion trader and the official fashion designer of empress Josephine de Beauharnais. He was very successful and also provided dresses for several other royal and Princely courts in Europe during the early 19th century.