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.

• 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

• 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
• Daniel Elardus (Neil) du Plessis (born 1982), Professional Rugby Union Player and Referee
• Dean du Plessis, Zimbabwean cricket commentator
• Desiré du Plessis (born 1965), South African former track and field athlete
• 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
• 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
• Dricus du Plessis (born 1994), South African mixed martial artist

• 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

• 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

• 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

• 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^{[ broken anchor]}
• Plessis, New York
• Piet Plessis

Surname list

This page lists people with the surname Plessis.
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