Scroop Egerton, 1st Duke of Bridgewater (11 August, 1681 – 11 January, 1744), known as Viscount Brackley from 1687 to 1701 and as the Earl of Bridgewater from 1701 to 1720, was an British peer and courtier. Originally the 4th Earl of Bridgewater he was created Duke of Bridgewater in 1720 with the subsidiary title Marquess of Brackley.

He served as Lord Lieutenant of Buckinghamshire twice as a Whig. He was also employed in the household of Prince George of Denmark.

He was the third son of John Egerton, 3rd Earl of Bridgewater and his second wife Jane Paulet. His maternal grandparents were Charles Paulet, 1st Duke of Bolton and his second wife Mary Scrope. Mary was a daughter of Emanuel Scrope, 1st Earl of Sunderland and Elizabeth Manners. Elizabeth was a daughter of John Manners, 4th Earl of Rutland and Martha Jones.

On 9 February, 1703. Bridgewater married his first wife Elizabeth Churchill. She was a daughter of John Churchill, 1st Duke of Marlborough and Sarah Churchill, Duchess of Marlborough. They had only one known child:

• Anne Egerton (d. 1762/1763). Married first Wriothesley Russell, 3rd Duke of Bedford and secondly William Villiers, 3rd Earl of Jersey.

On 4 August, 1722, Bridgewater married his second wife Rachel Russell. She was a daughter of Wriothesley Russell, 2nd Duke of Bedford and his wife Elizabeth Howland. They had seven children:

• Louisa Egerton (30 April, 1723 - 14 March, 1761). Married Granville Leveson-Gower, 1st Marquess of Stafford.
• Caroline Egerton (born 21 May, 1724).
• Charles Egerton, Marquess of Brackley (27 July, 1725 - 2 May, 1731).
• John Egerton, 2nd Duke of Bridgewater (1727 - 1748).
• William Egerton (15 January, 1728 - 10 February, 1729).
• Diana Egerton (3 March, 1731 - 13 August, 1758). Married Frederick Calvert, 6th Baron Baltimore.
• Francis Egerton, 3rd Duke of Bridgewater (May 21, 1736 - March 8, 1803).

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