William St Clair | |
|---|---|
| Baron of Roslin | |
 Baron of Roslin coat of arms | |
| Predecessor | Oliver St Clair, 12th Baron of Roslin |
| Successor | William St Clair, 14th Baron of Roslin |
| Died | 1554 |
| Noble family | Clan Sinclair |
| Father | Oliver St Clair |
William St Clair (died c. 1554) was a Scottish noble and the 13th Baron of Roslin.