Hildebrand Alington, 5th Baron Alington

Captain Hildebrand Alington, 5th Baron Alington of Killard (3 August 1641 - 11 February 1722/23) was an Irish peer, the son of William Alington, 1st Baron Alington of Killard. He succeeded to the title 5th Baron Aldenham on 18 September 1691, on the death of his elder brother, the 4th Baron who had died without male issue.

He never married, and on his death the Barony Alington of Killard became extinct.