John Egerton, 2nd Earl of Bridgewater PC (30 May 1623 - 26 October 1686) was an English nobleman.
He was a son of John Egerton, 1st Earl of Bridgewater and his wife Lady Frances Stanley. His maternal grandparents were Ferdinando Stanley, 5th Earl of Derby and his wife Alice Spencer.
According to the Will of King Henry VIII, his mother, at one time, was second-in-line to inherit England's throne. However, Lady Frances Stanley's older sister, Lady Anne Stanley, was passed over for King James VI of Scotland.
He served as Lord Lieutenant of Buckinghamshire (1660-1686), Cheshire (1670-1676), Lancashire (1670-1676), and Hertfordshire (1681-1686), in addition to being invested as a Privy Councillor in 1679. He was buried in Little Gaddesden, Hertfordshire.
He was married to Elizabeth Cavendish, a daughter of William Cavendish, 1st Duke of Newcastle and his first wife Elizabeth Basset. They had four children:
