George Bussy Villiers, 4th Earl of Jersey PC (9 June 1735 – 22 August 1805, Tunbridge Wells) was a member of the British and Irish peerage and a courtier in the court of George III.
Between 1756 and his father's death in 1769 which took him into the House of Lords he served continuously in the House of Commons as MP for, in turn, Tamworth in Staffordshire, Aldborough in the West Riding of Yorkshire and Dover in Kent. He followed the political lead of the duke of Grafton in both the Commons and Lords. He was a lord of the Admiralty from 1761 to 1763 and was sworn of the privy council 11th July 1765. Lord chamberlain from 1765 to 1769, on his elevation to the peerage he was made a gentleman of the bedchamber to George III and thereafter held various court posts until 1800.
He was elected a fellow of the Society of Antiquaries in 1787.
The 4th Earl of Jersey was the son of William Villiers, 3rd Earl of Jersey and Lady Anne Egerton, the daughter of Scroop Egerton, 1st Duke of Bridgewater and his first wife, Lady Elizabeth Churchill, a daughter of John Churchill, 1st Duke of Marlborough and his wife Sarah Jennings.
Lord Jersey married Frances Twysden, at her stepfather's house in the parish of St Martin's-in-the-Fields on 26 March 1770. Lady Jersey, who was seventeen years younger than her husband, became in 1793 after she had turned 40 and was more than once a grandmother, one of the more notorious mistresses of George IV when he was still Prince of Wales.
Lord and Lady Jersey had ten children: