Duplessis may refer to: Duplessis (surname) Maurice Duplessis (1890–1959), the 16th premier of Quebec Duplessis (TV series), a historical television series about Maurice Duplessis that aired in Québec in 1978 Duplessis Orphans scandal Duplessis (provincial electoral district), provincial electoral district in Quebec, Canada Duplessis, Louisiana, an unincorporated community in the United States See also Du Plessis (disambiguation)