Jules Siegfried (12 February 1837 – 26 September 1922) was a French politician.

He served as a member of the Chamber of Deputies from 1885 to 1897, and from 1902 to 1922.

[1] Siegfried was active in the social Protestant movement, as were other Musée social members such as Charles Gide (1847–1932), Édouard Gruner (1849–1933), Henri Monod (1843–1911) and Pierre-Paul Guieysse (1841–1914).

[2] He died in Le Havre on 26 September 1922.

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