Rudolph Robert Basil Aloysius Augustine Feilding, 9th Earl of Denbigh, 8th Earl of Desmond GCVO TD JP DL (26 May 1859 – 25 November 1939), styled Viscount Feilding from 1865 to 1892, was a British peer and officer.
Lord Feilding was the eldest son of the 8th Earl of Denbigh and Mary (née Berkeley). He succeeded his father as Earl of Denbigh in 1892.
He was an artillery lieutenant at the Battle of Tel el-Kebir, where he laid the horse artillery gun that hit the third railway train on the line there and prevented the further retreat of the Egyptians.
Lord Denbigh was Colonel commandant of the Honourable Artillery Company from before 1902 until 1933.
In March 1902, Lord Denbigh was head of a mission sent by the British government to congratulate Pope Leo XIII upon entering on the 25th year of his Pontificate.
On 24 September 1884, the then Viscount Fielding married Cecilia Mary Clifford (1860–1919), daughter of Charles Hugh Clifford, 8th Baron Clifford of Chudleigh and the Hon. Agnes Louisa Catherine (née Petre). They had three sons and seven daughters:
A widower, the Earl married, secondly, on 12 February 1928 to Kathleen Emmet, daughter of Dr. Thomas Addis Emmet, of New York City.