Richelieu (, ; ) may refer to:

People Cardinal Richelieu (Armand-Jean du Plessis, 1585–1642), Louis XIII's chief minister Alphonse-Louis du Plessis de Richelieu (1582–1653), French Carthusian bishop and Cardinal Louis François Armand du Plessis, duc de Richelieu (1696–1788), marshal of France, grandnephew of the cardinal Emmanuel-Armand de Richelieu, duc d'Aiguillon (1720–1782), statesman, nephew of the marshal Armand-Emmanuel du Plessis, Duc de Richelieu, (1766–1822), statesman, grandson of the marshal Duke of Richelieu, a title in the peerage of France created for Cardinal Richelieu Andreas du Plessis de Richelieu (1852–1932), Danish naval officer and businessman Richelieu Levoyer (1930–2015), politician of the Republic of Ecuador

Places Richelieu, Kentucky, United States Richelieu, Quebec, Canada Richelieu (federal electoral district), Quebec Richelieu (provincial electoral district), Quebec Richelieu (Province of Canada electoral district), Quebec (1841–1867) Richelieu River, Quebec Richelieu River (Montmorency River tributary), in La Jacques-Cartier Regional County Municipality, Capitale-Nationale, Quebec, Canada Richelieu, Indre-et-Loire, France

Ships (1873) (1939) French ship Richelieu , originally named Richelieu , a lake freighter for Canada Steamship Lines

Entertainment Richelieu (novel), a novel written by George Payne Rainsford James, 1829 Richelieu (play), a play written by Edward Bulwer-Lytton, 1839 Richelieu (1914 film), a film based on the play Richelieu (2023 film), also called Temporaries, a Canadian drama film directed by Pier-Philippe Chevigny

Other

The French term for Oxford shoes