John Butler, 17th Earl of Ormonde, 11th Earl of Ossory (1740–1795) was an Irish peer and Member of Parliament (MP). He became a Protestant in 1764. He was an Irish MP, representing Gowran between 1776 and 1783, and Kilkenny City between 1783 and 1792. In 1791, his right to the peerage was acknowledged in the Irish House of Lords and he became the 17th Earl of Ormond; he was a great-great grandson of Richard Butler of Kilcash, the younger brother of James Butler, 1st Duke and 12th Earl of Ormonde.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of Ireland
- Citizenship
- Kingdom of Great Britain
