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.