| Honorific Prefix: | The Right Honourable |
| The Lord Eyre | |
| Office: | Member of Parliament for Galway Borough |
| Term Start: | 1748 |
| Term End: | 1768 |
| Alongside: | Thomas Staunton, Hon. Richard FitzPatrick, Denis Daly |
| Successor: | James Daly Robert French |
| Birth Name: | John Eyre |
| Alma Mater: | Trinity College Dublin |
| Parents: | Giles Eyre Mary Cox Eyre |
John Eyre, 1st Baron Eyre (– 30 September 1781), was an Irish politician.
Eyre was the son of the Very Reverend Giles Eyre, Dean of Killaloe, by Mary Cox, granddaughter of Sir Richard Cox, 1st Baronet, Lord Chancellor of Ireland. He was the grandson of John Eyre, Member of Parliament for County Galway, and the great-grandson of John Eyre, Mayor of Galway. His uncle John Eyre also represented County Galway in the Irish House of Commons.
He was educated at Trinity College Dublin.[1]
Eyre returned to the Irish House of Commons for Galway Borough in 1748, a seat he held until 1768.[2] The latter year he was raised to the Peerage of Ireland as Baron Eyre, of Eyrecourt in the County of Galway.[1]
In 1746, Lord Eyre married Eleanor Staunton, daughter of James Staunton. Together, they were the parents of:
He died in September 1781. Eyre had no surviving sons and the barony died with him.[3]
Through his daughter Mary, he was a grandfather of Eleanor Caulfeild, who married William Howard, 3rd Earl of Wicklow, the former MP for St Johnstown.[4]