Jacob Pleydell-Bouverie, 8th Earl of Radnor (10 November 1927 – 10 August 2008) was a British nobleman.
He was the son of William Pleydell-Bouverie, 7th Earl of Radnor and Helena Olivia Adeane.
They had four daughters: He married, thirdly, Mary Jillean Gwenellan Eddy, daughter of William Edward Montague Eddy, in 1986.
From 1971 to 2008 he served as Governor of the French Hospital in Rochester, Kent.
Successive Earls of Radnor were governors of the hospital from the eighteenth century to 2015.