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