Robert Grosvenor, 1st Baron Ebury PC (24 April 1801 – 18 November 1893), styled Lord Robert Grosvenor from 1831 to 1857, was a British courtier and Whig politician. He served as Comptroller of the Household between 1830 and 1834 and as Treasurer of the Household between 1846 and 1847. In 1857 he was ennobled as Baron Ebury.