Douglas Hyde (; 17 January 1860 – 12 July 1949), known as An Craoibhín Aoibhinn (lit. "The Pleasant Little Branch"), was an Irish academic, linguist, and scholar of the Irish language (Gaeilge) who served as the first President of Ireland from 1938-45. He was a leading figure in the Gaelic revival, and first president of the Gaelic League, one of the most influential cultural organisations in Ireland at the time.