Pierce or Piers Butler may refer to: Piers Butler, 8th Earl of Ormond (c. 1467 – 26 August 1539), Anglo-Irish nobleman in the Peerage of Ireland Piers Butler, 3rd Viscount Galmoye (1652–1740), Anglo-Irish nobleman in the Peerage of Ireland Pierce Butler, 4th Viscount Ikerrin (c. 1677–1711), Irish peer, politician and soldier Sir Pierce Butler, 4th Baronet (1670–1732), Irish Member of Parliament in the Irish House of Commons for Carlow County Pierce Butler (American politician) (1744–1822), U.S. Senator and Founding Father from South Carolina Pierce Butler (Kilkenny MP, born 1774) (1774–1846), Irish Member of Parliament in the United Kingdom House of Commons for Kilkenny Pierce Mason Butler (1798–1847), American soldier and politician, Governor of South Carolina Pierce Mease Butler (died 1867), American plantation owner, husband of actress Fanny Kemble, and proprietor of the Great Slave Auction, grandson of the senator Pierce Somerset Butler (1801–1865), Irish Member of Parliament in the United Kingdom House of Commons for Kilkenny, son of the previous MP Pierce Butler (judge) (1866–1939), U.S. Supreme Court Justice Pierce Butler (Irish politician, born 1922) (1922–1999), Irish Fine Gael Senator See also Lee Pierce Butler (1884–1953), American professor of librarian science