Kilmoyler is a townland in the civil parish of Killardry in the barony of Clanwilliam, County Tipperary in Ireland. It is part of the parish of Bansha and Kilmoyler in the Roman Catholic Archdiocese of Cashel and Emly. The Galtee Mountains and River Suir dominate the landscape here.
It is located approximately halfway between the towns of Cahir and Bansha on the River Suir. Galtee Rovers GAA club has its club grounds and clubhouse in Bansha village. Agriculture and dairying are among the main occupations locally.
While there is no village or hamlet in the immediate locality, the Roman Catholic Church of The Assumption at Kilmoyler is a focal point for the community, while the creamery at Tankerstown was also a centre of daily activity until its closure due to rationalisation in the dairying industry in the late 20th century. There was once a local community hall at Tankerstown, known as "Biddy's Hall". The parochial burial ground of Killaldriffe is nearby and is reputed to be the ancient burial place of the kings of Munster, based on an alternate name Killardrigh, or "Church of the High King". It is here that Lieutenant General Sir William Francis Butler, soldier and adventurer is buried. Saint Pecaun or Becán, a 7th century saint, is celebrated on 1 August each year when a pattern is held at the Saint's monastic settlement at nearby Toureen. The Annals of the Four Masters record his death in the year 689 with his feast-day as 26 May. The site consists of a ruined church, carved stones, a well and monastic cell. Close by, across the River Suir, and close to its eastern bank, is the Moat of Knockgraffon, which is a 'Motte & Bailey' of ancient origin.