William Blethyn | |
|---|---|
| Bishop of Llandaff | |
 William Blethyn (right) and Hugh Jones | |
| Church | Church of England |
| See | Diocese of Llandaff |
| In office | 1575–1591 |
| Predecessor | Hugh Jones |
| Successor | Gervase Babington |
| Personal details | |
| Died | 1591 |
William Blethyn was a prebendary of York and a bishop of Llandaff. He died in 1591.