Sir Richard Grosvenor, 4th Baronet (/ˈɡroʊvənər/ GROH-vən-ər; 26 June 1689 – 12 July 1732) was an English politician who sat in the House of Commons from 1715 to 1732. He was the brother of Sir Robert Grosvenor, 6th Baronet, an ancestor of the modern day Dukes of Westminster.