The Earl of Erroll | |
|---|---|
 Arms of the Earl of Erroll | |
| 8th Lord High Constable of Scotland | |
| In office 1507–1513 | |
| Preceded by | William Hay |
| Succeeded by | William Hay |
| Personal details | |
| Born | 1470 Huntly, Aberdeenshire, Scotland |
| Died | 9 September 1513 (age 42 or 43) Battle of Flodden, Northumberland, England |
| Spouse(s) | Christian Lyon Margaret Kinloch |
| Children | William Hay, 5th Earl of Erroll Lady Isabel Hay |
| Parent(s) | William Hay, 3rd Earl of Erroll Lady Isabel Gordon |
William Hay, 4th Earl of Erroll (1470 – 9 September 1513), styled as Lord Hay until 1507, was a Scottish peer and soldier. He was killed at the Battle of Flodden.