Sidonie Werner (16 March 1860 – 27 December 1932) was a German Jewish schoolteacher and feminist based in Hamburg.
She was active in the German League of Jewish Women which she founded in 1904, together with Bertha Pappenheim.
[1][2] Born in Posen on 16 March 1860, Sidonie Werner was brought up in a well-to-do Jewish merchant's family.
[4] Werner established a considerable number of facilities for Jewish women and children over the years.
In the late 1920s, she established a home for sick children in Wyk (1927), extending the facility in 1929.