Rudolph William Basil Feilding, 8th Earl of Denbigh, and 9th Earl of Desmond, (b. 9 April 1823; d. 1892) was a British peer, succeeding to his titles on the death in 1865 of his father, the 7th Earl of Denbigh. He was noted as a Roman Catholic convert, and founder of the Franciscan monastery at Pantasaph, North Wales.