John Fitzgibbon, 2nd Earl of Clare (July 10, 1792 - August 18, 1851) was the son of John Fitzgibbon, 1st Earl of Clare and Anne Whaley . He succeeded to the titles of Baron Fitzgibbon and Earl of Clare in the Irish Peerage in 1802.
Fitzgibbon was educated at Harrow School and Christ Church College, Oxford, graduating in 1812. From 1820 to 1851, he was active in estate management when not in public office, and from 1820 onwards was active in the House of Lords. In 1830 he became a Privy Councillor, and later the same year was appointed Governor of Bombay, serving until 1835.
He was a Knight Grand Commander of the Hanoverian Royal Guelphic Order (1835), a member of the Royal Asiatic Society (from 1839), a Knight of the Most Illustrous Order of Saint Patrick (from 1845). He was Deputy Lieutenant of the County of Limerick from 1846 to 1849, and afterwards Lord Lieutenant of Limerick City for the remainder of his life.