Lieutenant-Colonel Henry Gilbert Ralph Nevill, 3rd Marquess of Abergavenny DL (2 September 1854 – 10 January 1938), styled Lord Henry Nevill between 1876 and 1927, was a British peer. Neville was the second son of William Nevill, 1st Marquess of Abergavenny and his wife Caroline Vanden-Bempde-Johnstone, daughter of Sir John Vanden-Bempde-Johnstone, 2nd Baronet. Born in Bramham, West Yorkshire and christened at St. Alban's Church, Frant, he was a lieutenant-colonel in the Territorial Army Reserves, a major in the Sussex Imperial Yeomanry and a deputy lieutenant of Sussex. In 1881 he lived in Chiddingstone, Kent and in 1891 at Thornhill, Hammerwood, East Sussex. He succeeded to the marquessate in October 1927, aged 73, on the death of his brother, who died without issue.