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The Earl of Erroll | |
|---|---|
 Arms of the Earl of Erroll | |
| 10th Lord High Constable of Scotland | |
| In office 1521–1541 | |
| Preceded by | William Hay |
| Succeeded by | George Hay |
| Personal details | |
| Born | 1521 Edinburgh, Scotland |
| Died | 11 April 1541 (age 19 or 20) Edinburgh, Scotland |
| Spouse | Lady Helen Stewart |
| Children | Lady Jean Hay |
| Parent(s) | William Hay, 5th Earl of Erroll Elizabeth Ruthven |
William Hay, 6th Earl of Erroll (1521 – 11 April 1541), styled as Lord Hay until age 1, was a Scottish peer.