John Devoy, Irish-American Fenian rebel leader (b. 1842)
John Devoy (Irish: Seán Ó Dubhuí, IPA: [ˈʃaːn̪ˠ oː ˈd̪ˠʊwiː]; 3 September 1842 – 29 September 1928) was an Irish republican rebel and journalist who owned and edited The Gaelic American, a New York weekly newspaper, from 1903 to 1928.

Devoy dedicated over 60 years of his life to the cause of Irish independence and was one of the few people to have played a role in the Fenian Rising of 1867, the Easter Rising of 1916 and the Irish War of Independence of 1919–1921.