A cantred was a subdivision of a county in the Anglo-Norman Lordship of Ireland between the thirteenth and fifteenth centuries, analogous to the cantref of Wales or the hundred of England.
The area of a cantred usually corresponded to that of an earlier trícha cét ("thirty hundreds") of Gaelic Ireland, and sometimes to that of a rural deanery in the medieval Irish church.
Cantreds declined in the fourteenth century as Ango-Norman power retreated to the Pale.
They had fallen into disuse by the sixteenth-century Tudor reconquest of Ireland, when the barony became the subunit of the county.
In the east and south, baronies often had the names of older cantreds, though the boundaries often diverged.