Duplessis (disambiguation)

Duplessis is the surname of the following persons:

Jean Duplessis- Bertaux (1747-1820), French artist, engraver and painter
Joseph Siffred Duplessis (1725-1802), French painter
Louis -François Duplessis de Mornay (1663-1741), French Capuchins and third Bishop of Quebec
Marie Duplessis (1824-1847), French courtesan
Maurice Duplessis (1890-1959), Canadian politician
Philippe Duplessis- Mornay (1549-1623), Reformed theologian and statesman