Henri Fiori (20 February 1881, Algiers - 14 January 1963) was a French politician. He represented the Republican-Socialist Party (from 1919 to 1936) and the Socialist Republican Union (from 1936 to 1940) in the Chamber of Deputies.

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On 10 July 1940, he voted in favour of granting the cabinet presided by Marshal Philippe Pétain authority to draw up a new constitution, thereby effectively ending the French Third Republic and establishing Vichy France.^[1]