Langlois or L'Anglois is a surname of French origin. Notable people with the surname include:

Aimé Langlois (1880–1954), Liberal party member of the Canadian House of Commons Al Langlois (1934–2020), Canadian ice hockey player Alexandre Langlois (1788–1854), French Indologist and translator Anabelle Langlois (born 1981), Canadian pairs figure skater Bruno Langlois (born 1979), Canadian racing cyclist Charles Langlois (actor) (1692–1762), French actor who spent a large part of his career in Sweden Charles Langlois (politician) (born 1938), member of the Canadian House of Commons from 1988 to 1993 Charles-Victor Langlois (1863–1929) French historian and paleographer who taught at the Sorbonne Charlie Langlois (1894–1965), Canadian professional hockey player Chibly Langlois (born 1958), Haitian cardinal of the Roman Catholic Church Christian Langlois (born 1963), Film director from Montreal, Canada Daniel Langlois, Canadian media company founder and philanthropist Denis Langlois (born 1968), French race walker Ernest Langlois (1857–1924), French medievalist, professor at the University of Lille Espérance Langlois (1805–1864), French painter and printmaker Esther Langlois (1571–1624), Scottish miniaturist, embroiderer, calligrapher, translator and writer Étienne, stage name of Steven Langlois (born 1971), Warner Music Canada recording artist Eustache-Hyacinthe Langlois (3 August 1777 – 29 September 1837), French painter, draftsman, engraver and writer François Langlois (born 1948), Canadian politician and lawyer François L’Anglois (1589–1647) a French painter, engraver, printer, bookseller, publisher and art dealer Godfroy Langlois (1866–1928), politician, journalist and lawyer in Quebec Henri Langlois (1914–1977), pioneer of film preservation and restoration Henri Delisle Langlois, Canadian drag queen Hippolyte Langlois (1839–1912), French general and writer on military science Jean François Langlois (1808–?), New Zealand whaler and coloniser Jean Langlois (1824–1886), Quebec lawyer, professor, and political figure Jean-Charles Langlois (1789–1870), French soldier and painter Joseph Langlois (1909–1964), Liberal party member of the Canadian House of Commons Joseph-Alphonse Langlois (1860–1927), politician Quebec, Canada and a Member of the Legislative Assembly of Quebec (MLA) Léopold Langlois (1913–1996), Canadian lawyer and parliamentarian Lisa Langlois (born 1959), Canadian actress Lloyd Langlois (born 1962), Canadian freestyle skier Pascal Langlois, English actor, played supporting roles in television dramas since 1999 Paul Langlois (born 1964), Canadian guitarist Paul Langlois (Canadian politician) (1926–2012), Liberal party member of the Canadian House of Commons Philippe Langlois (1817–1884), Norman language writer in Jèrriais Pierre Langlois (canoer) (born 1958), French sprint canoeist who competed in the early 1980s Pierre Langlois (economist), Canadian economist and political strategist Pierre Langlois (politician) (1750–1830), merchant and political figure in Lower Canada Polyclès Langlois (29 September 1814 – 30 November 1872), French writer, cartoonist and painter Raymond Langlois (1936–1996), Ralliement créditiste and Social Credit party member of the Canadian House of Commons Richard Normand Langlois (born 1952), American economist and currently professor Stephen Langlois, Chicago area chef and author of Prairie: Cuisine from the Heartland (1991) Thomas Langlois Lefroy (1776–1869), Irish-Huguenot politician and judge Yves Langlois (born 1947), member of terrorist group Front de libération du Québec

Etymology The name comes from the French language. Langlois is a contracted form of L'Anglois. L’ is a contraction of the masculine definite article "le" and is translated as "the". Anglois is a disused French form of "anglais", the adjective of "Angleterre", England.

See also Langlois de Sézanne (1757–1845), French portraitist and pastel artist Langlois, Oregon, unincorporated community in Curry County, Oregon, United States, on the Oregon Coast Langlois Bridge, drawbridge in Arles, France, subject of several paintings by Vincent van Gogh in 1888 Langlois Bridge at Arles (Van Gogh series) Daniel Langlois Foundation, non-profit, philanthropic organization Langlois reagent, Sodium trifluoromethanesulfinate (CF3SO2Na), the sodium salt of trifluoromethanesulfinic acid Langloisia