George Noble Plunkett (3 December 1851 – 12 March 1948) was an Irish nationalist politician, museum director and biographer, who served as Minister for Fine Arts from 1921 to 1922, Minister for Foreign Affairs from 1919 to 1921 and Ceann Comhairle of Dáil Éireann in January 1919.
He served as a Teachta Dála (TD) from 1918 to 1927.
He was a Member of Parliament (MP) for Roscommon North from 1917 to 1922.
He was the father of Joseph Plunkett, one of the leaders of the Easter Rising of 1916, as well as George Oliver Plunkett, Fiona Plunkett and John (Jack) Plunkett who also fought during the rising and subsequently during the Irish revolutionary period.