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, Quebec, Canada
Richelieu (federal electoral district), Quebec
Richelieu (provincial electoral district), Quebec
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 (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 Richelieu (novel), a novel written by George Payne Rainsford James, 1829