John Egerton, 2nd Earl of Bridgewater, PC (30 May 1623 – 26 October 1686), was an English nobleman from the Egerton family.

The surviving 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 Lady 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, Frances, Countess of Bridgewater's elder sister, Lady Anne Stanley, was passed over in favour of King James VI of Scotland.

Styled Viscount Brackley before succeeding to the earldom in 1649, he served as Lord Lieutenant of Buckinghamshire (1660–1686), Cheshire (1670–1676), Lancashire (1670–1676), and Hertfordshire (1681–1686), as well as being sworn of the Privy Council in 1679.

Lord Bridgewater was buried at Little Gaddesden, Hertfordshire.

In 1641, as Lord Brackley, he married Lady Elizabeth Cavendish (1626–1663), a daughter of William Cavendish, 1st Duke of Newcastle, and his first wife Elizabeth Basset. Lord and Lady Bridgewater's children included:

• John Egerton, 3rd Earl of Bridgewater (9 November 1646–19 March 1701)
• Sir William Egerton KB (15 August 1649–24 December 1691),^[2] who married Honora Leigh
• Thomas Egerton (1651–1685), of Tatton Park, ancestor of the Barons and Earls Egerton
• two other sons
• Charles Egerton MP
• Elizabeth Egerton (24 August 1653 – 1709), who married Robert Sidney, 4th Earl of Leicester
• two other daughters.^[3]

• Egerton family