John Moore (1756 – 21 May 1834) was an Irish politician. Moore was the son of John Moore (1726–1809), of Drumbanagher, County Armagh, Member of Parliament for Ballynakill, great-grandson of Arthur Moore, younger son of Garret Moore, 1st Viscount Moore, ancestor of the Earls and Marquesses of Drogheda. His mother was Gertrude Baillie, daughter of Capt. Francis Baillie.