Henry Percy | |
|---|---|
| 3rd Baron Percy | |
 Coat of Arms of Percy, Barons Percy of Alnwick (Or, a lion rampant Azure) | |
| Other titles | Warden of the Marches, High Sheriff of Northumberland |
| Born | 1321 |
| Died | 18 May 1368 Alnwick Castle, Northumberland, England |
| Noble family | House of Percy |
| Spouse(s) | Mary of Lancaster (d. 1362) Joan (d. 1368), the daughter and sole heiress of John, Lord Orreby |
| Issue | Henry Percy, 1st Earl of Northumberland Thomas Percy, 1st Earl of Worcester |
| Father | Henry de Percy, 2nd Baron Percy |
| Mother | Idoine de Clifford |
Henry Percy, 3rd Baron Percy of Alnwick (c. 1321–1368), was the eldest son of Henry de Percy, 2nd Baron Percy (1301–1352), and his wife, Idoine de Clifford (Idonea in Latin and also in English), daughter of Robert de Clifford, 1st Baron de Clifford.
