Abel Jules Édouard Ferry (26 May 1881 – 15 September 1918) was a French politician.Ferry was born in Paris, the son of Senator Charles Ferry and nephew of Jules Ferry, Abel continued the family tradition when he was elected in 1909 to represent the Vosges department in the Chamber of Deputies.Ferry served as Under-Secretary of State for Foreign Affairs from 13 June 1914 to 29 October 1915 in the first and second governments of René Viviani.Ferry's diaries, published as Carnets secrets 1914-1918, are a valuable source on relations between the French government and its generals during the First World War.