Plessis (Afrikaans: du Plessis) Plessy, and de Plessis are related surnames of French origin, may refer to:

A plessis meant a fence made of interwoven branches in Old French.

French people Alphonse-Louis du Plessis de Richelieu (1582–1653), French bishop Armand-Emmanuel de Vignerot du Plessis, Duc de Richelieu (1766–1822), French statesman Armand-Jean du Plessis, better known as Cardinal Richelieu (1585–1642), French statesman and cardinal Caesar, duc de Choiseul (1602–1675), Marshal of France, born Cæsar Choiseul du Plessis-Praslin Chevalier du Plessis (fl. 1660s), French pirate Constant Plessis (1890–1930), French First World War flying ace Damien Plessis (born 1988), French footballer Frédéric Plessis (1851–1942), French Latinist Gilbert de Choiseul du Plessis-Praslin (1613–1689), French bishop Guillaume Plessis (born 1985), French footballer from Réunion Jacques de Rougé du Plessis-Bellière, French general Jean du Plessis d'Ossonville (died 1635), French governor of Guadeloupe Philippe du Plessis (1165–1209), French knight and 13th Grand Master of the Knights Templar Philippe de Mornay (1549–1623), French Protestant writer, also known as Mornay Du Plessis Suzanne du Plessis-Bellière (1605–1705), wife of Jacques and political opponent of Louis XIV Thomas-Antoine de Mauduit du Plessis (1753–1791), French officer who fought in the American Revolutionary War

Afrikaners Sports Bismarck du Plessis, and Jannie du Plessis, brothers and South African rugby players Carel du Plessis (born 1960), former South African rugby union Charl du Plessis (born 1987), former South African rugby union Corné du Plessis (born 1978), South African sprinter Daniël du Plessis (born 1995), South African rugby union player Dean du Plessis, Zimbabwean cricket commentator Desiré du Plessis (born 1965), South African former track and field athlete Dricus du Plessis (born 1994), South African mixed martial artist Faf du Plessis (born 1984), South African cricketer Felix du Plessis (1919–1978), former South African rugby union player Gary du Plessis (1974–2006), Zimbabwean cricketer Hans du Plessis, South African rugby league player Hennie du Plessis (born 1996), South African golfer Jacques du Plessis (born 1993), South African rugby union player Jean du Plessis (born 1998), South African cricketer Lilian du Plessis (born 1992), South African field hockey player Mark Du Plessis (born 1961), horse racing jockey Marthinus du Plessis (born 1932), South African pentathlete, 1956 Summer Olympics Morne du Plessis (born 1949), South African rugby union player and captain Paul du Plessis, legal historian Petrus du Plessis (born 1981), professional rugby player for London Irish Renate du Plessis (born 1981), South African competitive swimmer Tabbie du Plessis (born 1992), South African rugby union player Tinus du Plessis (born 1984), Namibian rugby player Wade du Plessis (born 1967), South African association football player

Arts and entertainment Christian du Plessis (born 1944), South African baritone Hubert du Plessis (1922 – 2011), South African composer, pianist, and professor of music Juanita du Plessis (born 1972), Afrikaans singer, born in Windhoek, Namibia Koos du Plessis (1945–1984), South African songwriter Phil du Plessis (1944–2011), Afrikaans poet, musician, and medical doctor Zack du Plessis (1950–2011), South African actor

Other Barend du Plessis (born 1940), South African politician David du Plessis (1905–1987), South African Pentecostal minister Erik du Plessis, Chairman of Millward Brown South Africa and author Eric Hollingsworth du Plessis (born 1950), American author and University professor Jan du Plessis (born 1954), British-South African businessman Johannes du Plessis (1868–1935), South African DRC missionary Susanna du Plessis (1739–1795), Dutch plantation owner in Dutch Surinam

Other people

Homer Plessy, American litigant, plaintiff in the landmark Plessy v. Ferguson Supreme Court decision John de Plessis, 7th Earl of Warwick Joseph-Octave Plessis (1763–1825), Canadian bishop

See also Le Plessis (disambiguation), the name of 23 communes in France Collège du Plessis Jaco du Plessis Plessis Bouchard Plessey, a historic British corporation Plessis 1817 ellipsoid Plessis, New York Piet Plessis