Palais de la Légion d'Honneur, Historical palace and museum on the Left Bank in Paris, France

The Palais de la Légion d'Honneur is a palace and museum on Paris's Left Bank that displays Neoclassical architecture with refined facades and sculptures. Inside, grand rooms and exhibitions showcase medals, decorations, and objects related to the Legion of Honor institution.

Pierre Rousseau designed the Hôtel de Salm for Prince Frederick III of Salm-Kyrburg, built 1782–1787. The revolutionary government nationalised it, and from 13 May 1804 it became the seat of the newly created Légion d'honneur, with interiors remodelled by Antoine-François Peyre. Burned in 1871 by the Paris Commune, it was rebuilt under Anastase Mortier and classified as a historical monument in 1985.

The building's name reflects the Legion of Honor, an award system that Napoleon created and that remains active today. Visitors can see how France has chosen to honor its citizens and military achievements through this institution.

Access is through guided tours that show official rooms and exhibitions, allowing visitors to explore the interior at a comfortable pace. It is worth checking opening times beforehand to avoid arriving when the building is closed.

Thomas Jefferson wrote that he had "fallen in love in Paris" with the Hôtel de Salm while it was still under construction. John Nash later borrowed its domed semi-circular bow for the garden front at Buckingham Palace, and a three-quarter scale copy, the California Palace of the Legion of Honor, opened in San Francisco in 1924.