Chézy may refer to:
; People
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Antoine de Chézy
Antoine de Chézy (September 1, 1718 – October 5, 1798), also called Antoine Chézy, was a French physicist and hydraulics engineer who contributed greatly to the study of fluid mechanics and designed a canal for the Paris water supply. He i ...
(1718–1798), French hydraulic engineer
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Antoine-Léonard de Chézy (1773–1832), French orientalist
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Helmina von Chézy
Helmina von Chézy (26 January 178328 January 1856), née Wilhelmine Christiane von Klencke, was a German journalist, poet and playwright. She is known for writing the libretto for Carl Maria von Weber's opera ''Euryanthe'' (1823) and the play ' ...
(1783–1856), German journalist, poet and playwright
; Communes in France
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Chézy, Allier, in the Allier department
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Chézy-en-Orxois, in the Aisne department
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Chézy-sur-Marne, in the Aisne department
; Other
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Chézy formula, for river flows
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