Kilbline Castle is a fortified 16th century tower house in County Kilkenny in Ireland.
It is set on the Kilbline Estate in the parish of Tullaherin, within the historical barony Gowran, approximately 1 mile southeast of Bennettsbridge.
It is recorded as a protected (listed) structure by Kilkenny County Council.
It is roofed, with a low, two-storey, three-bay house with narrow windows and simple doorcase added.
[3][4] Beside the house are early brick walls with blank arches.