Hugh de Lacy

Hugh de Lacy may refer to:


 * Hugh de Lacy, Lord of Lassy (c.1020–1085), first recorded member of the Norman noble family de Lacy
 * Hugh de Lacy, Lord of Meath (died 1186), 4th Baron Lacy
 * Hugh de Lacy, Abbot of Shrewsbury (died c. 1215/18)
 * Hugh de Lacy, 1st Earl of Ulster (c. 1176–1242), younger son of Hugh de Lacy, Lord of Meath
 * Hugh Lacy (1943–1998), 3rd Baronet of the Lacy baronets
 * Hugh Lacy (bishop) (died 1580), Anglican bishop in Ireland
 * Hugh De Lacy (politician) (1910–1986), American politician