St George Caulfeild (16 September 1697 – 17 May 1778) was Lord Chief Justice of Ireland. He was a popular and respected judge, who was known in old age as "the good old man". He sat in the Irish House of Commons as Member of Parliament for Tulsk between 1727 and 1751. He was appointed to the Irish Privy Council on 14 October 1751. He was admitted to Middle Temple in 1716 and called to the Irish Bar in 1723. He was solicitor to the Revenue in 1734, Solicitor-General for Ireland 1739-41, Attorney-General for Ireland 1741-1751 and Lord Chief Justice of Ireland 1751-60.