The Palais de la Légion d'honneur is a historic building on the Left Bank of the River Seine in Paris, France. It houses the Musée de la Légion d'honneur and is the seat of the Légion d'honneur, the highest French order of merit. The building is also known as the Hôtel de Salm. It is located at 64 rue de Lille, next to the old Orsay railway station in the 7th arrondissement of Paris.