Cecil Ralph Howard, 6th Earl of Wicklow (26 March 1842 – 24 July 1891) was an Anglo-Irish British Army officer and peer.
He was the son of Rev. Hon. Francis Howard, the son of William Howard, 3rd Earl of Wicklow, and Sarah Hamilton. In 1864 he was commissioned as an Ensign in the King's Royal Rifle Corps, and was promoted to lieutenant in 1867 and to captain in 1876. In 1870 he was granted the style and precedence of the younger son of an earl by Royal Warrant. He retired from the regular army in 1877, but joined the Artillery Militia as a captain in 1879. He succeeded his brother, Charles Howard as Earl of Wicklow on 20 June 1881. On 23 January 1888 he was elected as an Irish representative peer and took his seat in the House of Lords.
He was married twice, and was succeeded by his eldest son from his first marriage, Ralph Howard.