| Baron Holmes | |
| Creation Date: | 1760 (first creation) 1797 (second creation) |
| Peerage: | Peerage of Great Britain (first and second creations) |
| Extinction Date: | 1764 (first creation) 1804 (second creation) |
Baron Holmes was a title that was created twice in the Peerage of Ireland. The first creation came on 11 September 1760 when the politician Thomas Holmes was made Baron Holmes, of Kilmallock in the County of Limerick. The title became extinct on his death on 21 July 1764. The second creation came on 6 November 1797 when Leonard Holmes was made Baron Holmes, of Kilmallock in the County of Limerick. He was the nephew of the first Baron of the 1760 creation. The title became extinct on his death on 18 January 1804.
In 1797, the barony held by his uncle was also revived when Holmes was raised to the Peerage of Ireland as Baron Holmes, of Kilmallock in the County of Limerick. Lord Holmes married Elizabeth Tyrrell. They had one daughter, The Honourable Catherine Holmes, who married Edward Rushworth and had several children by him. Lord Holmes died in January 1804. As he had no sons the barony died with him. Lady Holmes died in 1810.