'''Duchesnay''' is a surname. Notable people with the surname include:
*Édouard-Louis-Antoine-Charles Juchereau Duchesnay (1809–1886), Conservative member of the Senate of Canada *Antoine Juchereau Duchesnay (seigneur) (1740–1806), seigneur and political figure in Lower Canada *Antoine-Louis Juchereau Duchesnay (1767–1825), seigneur, soldier and political figure in Lower Canada *Elzéar-Henri Juchereau Duchesnay (1809–1871), seigneur, lawyer and political figure in Canada East *Isabelle Duchesnay (born 1963), ice dancer who competed for both Canada and France *Jean-Baptiste Juchereau Duchesnay (1779–1833), Canadian politician, officer, merchant, and seigneur *Michel-Louis Juchereau Duchesnay (1785–1838), Canadian officer, seigneur, and justice of the peace *Paul Duchesnay (born 1961), ice dancer who competed for both Canada and France
==Other uses== *Duchesnay tourist resort in Quebec
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