Captain Barry Nugent Yelverton, 5th Viscount Avonmore (11 February 1859 – 13 February 1885, Kirbekan) was an Irish nobleman and officer in the 37th Foot (the Hampshire Regiment from 1881). He was the son of Major William Charles Yelverton, 4th Viscount Avonmore and Emily Marianne Ashworth. He died of enteric fever while serving in the Sudan. A plaque commemorating him can be found in Winchester cathedral. He was educated in the Royal Military College Sandhurst, Berkshire, England. He was Instructor of Musketry.