Tybroughney, statutory spelling Tibberaghny (Irish: Tiobra Fhachna[3]), is a civil parish in the barony of Iverk, County Kilkenny in Ireland.

[3] The name Tiobra Fhachna means "well of Saint Fachtna", who was at Lismore Abbey in the seventh century.

[5] Various anglicised spellings include Tibberaghny,[3] Tiberaghny,[6] Tipperaghny,[7] Tybroughney,[5] Tyburoughny,[7] Tibroughny,[6] Tybrachny.

[8] Saint Modomnoc reputedly lived as a hermit in the area in the sixth century, and a pattern was celebrated there on 13 February, his feast day.

[5] Prince John of England built a castle here in 1185, shortly after the Norman invasion, to guard the northern border of Waterford.