Hugh de Lacy
Hugh de Lacy or Hugh Lacy may refer to:
- Hugh [de Lacy, Lord of Lassy], first recorded member of the Norman noble family de Lacy
- Hugh de Lacy, Lord of Meath, 4th Baron Lacy
- Hugh de Lacy, Abbot of Shrewsbury
- Hugh de Lacy, 1st Earl of Ulster, younger son of Hugh de Lacy, Lord of Meath
- Hugh De Lacy (politician), American politician
- Hugh Lacy (bishop), Anglican bishop in Ireland
- Hugh Lacy, 3rd baronet of the Lacy baronets
- Hugh de Lacy (rugby union)