Duplessis (surname)

Duplessis is a French surname. Notable people with the name include:


 * Georges Duplessis, a French art historian
 * Jerry Duplessis, a composer and record producer
 * José María Imbert Duplessis (1798–1847), a French-born Dominican Republic independence war commandant and national hero
 * Joseph Duplessis, a French painter
 * Lucile Duplessis, a French Revolutionary figure, wife of Camille Desmoulins
 * Marie Duplessis, a French courtesan and mistress
 * Maurice Duplessis (1890-1959), a premier of Québec in the mid twentieth century
 * Rachel Blau DuPlessis (b. 1941), an American poet and editor of George Oppen's Selected Letters
 * Thibault Duplessis, French programmer and founder of Lichess
 * Thomas Duplessis (born Thomas-Antoine de Mauduit du Plessis) (1753–1791), a French officer who fought with the Continental Army during the American Revolutionary War