Graiguenamanagh or Graignamanagh () is a town on the River Barrow in County Kilkenny, Ireland. It is 17 km north of New Ross and 23 km east of Kilkenny city. Part of the settlement, known as Tinnahinch, is on the County Carlow side of the river, and Carlow County Council refers to the whole village as "Graiguenamanagh-Tinnahinch". Also combined for census purposes, as of the 2022 census, Graiguenamanagh-Tinnahinch had a population of 1,506 people.
Graiguenamanagh is located at the foot of Brandon Hill and is home to Duiske Abbey, the largest of the thirty-four mediaeval Cistercian abbeys in Ireland.
History
Ecclesiastical sites
Evidence of ancient settlement in the area include an ecclesiastical enclosure and holy well sites in the townlands of Graiguenamanagh and Tinnahinch. St. Caelán reputedly founded a monastery at Tinnahinch during the 6th or 7th century.
Also located in the area are the ruined remains of the early Christian church of Ullard, founded by Saint Fiachra in the seventh century. Several miles downstream from Graiguenamanagh are the ruins of an ancient monastic establishment at St Mullin's.