Sir Robert Ladbroke (1713 – 31 October 1773) was an English politician who sat in the House of Commons from 1754 to 1770. He was Lord Mayor of London in 1747. Ladbroke was a member of a Warwickshire family who set up in business in London, becoming an Alderman of London in 1741 and Sheriff of London in 1743. He was knighted in 1744. He was elected Lord Mayor of London in 1747 and a Member of Parliament for London from 1754 to 1770.In 1771 he became partner, with his son and son-in-law Walter Rawlinson, in the London bank of Ladbroke, Rawlinson and Porker.