Sir Horace Curzon Plunkett, (24 October 1854 – 26 March 1932), was an Anglo-Irish unionist, later Irish nationalist, agricultural reformer, pioneer of agricultural co-operation, politician and MP. in the United Kingdom of Great Britain and Ireland, author and Irish patriot. Titles included: P. C. (1897), K. C. V. O. (1903), F. R. S. (1902), M. A. (Oxon.); Hon. D. C. L. Oxford (1906); Hon. LL. D. , Dublin, (1908). J. P. for Co. Meath; D. L. for Co. Dublin.