Algernon William Yelverton, 6th Viscount Avonmore (19 November 1866 – 3 September 1910), an Irish nobleman, was the son of Major William Charles Yelverton, 4th Viscount Avonmore and Emily Marianne Ashworth. He married Mabel Sarah Evans, daughter of George Evans and Jane Fitzgerald, on 17 December 1890 in St. Anne's, Dungannon, County Tyrone, Ireland.
His titles became dormant upon his death without male issue. There are heirs male living in New Zealand, however they have not proven their claim to the title.
| Peerage of Ireland | ||
|---|---|---|
| Preceded by Barry Nugent Yelverton |
Viscount Avonmore 1885–1910 |
Succeeded by Dormant |