Henry Weysford Charles Plantagenet Rawdon-Hastings, 4th Marquess of Hastings and 9th Earl of Loudoun, styled Lord Henry Rawdon-Hastings from birth until 1851, was a British peer. He was also, starting from most senior barony, 21st Baron Grey of Ruthyn, 20th Baron Botreaux, 19th Baron Hungerford, and 17th Baron Hastings.

George Augustus Francis Rawdon-Hastings, 2nd Marquess of Hastings, styled Lord Rawdon from birth until 1817 and Earl of Rawdon from 1817 to 1826, was a British peer and courtier.