William Stuart PC (15 March 1755 – 6 May 1822) was an Anglican prelate who served as the Bishop of St David's in Wales from 1794 to 1800 and then Archbishop of Armagh in Ireland from 1800 until his death.

[1] There is a painting in the Tate Gallery in London of him aged 12 stealing eggs and chicks from a bird's nest.

[3] On 3 May 1796, William married Sophia Penn, daughter of Thomas Penn, and had three children:[1] In 1793 he was appointed Canon of the fourth stall at St George's Chapel, Windsor Castle, a position he held until 1800.

[5] Six years later, he was nominated Archbishop of Armagh on 30 October 1800 and appointed by letters patent on 22 November 1800.

[8] In St Patrick's Anglican Cathedral in Armagh there is a life-size bas-relief marble figure of the Archbishop in the attitude of prayer, sculpted by Sir Francis Chantrey.