Sidlin Ella (13 July 1895 — ?) — public activist.

During the First World War, Ella Sidlin was in the territory of present-day Estonia, where she was engaged in assisting Jewish soldiers and refugees.

After the war, in Riga, she continued her public and charitable work in Jewish organizations, including “Malbish Arumim,” “Linat Tzedek,” “Kinder Heim,” and others.