Robert Grosvenor

Robert Grosvenor may refer to:


 * Sir Robert Grosvenor, 6th Baronet (1695–1755), English Member of Parliament
 * Robert Grosvenor, 1st Marquess of Westminster (1767–1845), English Member of Parliament
 * Robert Grosvenor, 1st Baron Ebury (1801–1893), British courtier and Whig politician
 * Robert Grosvenor, 2nd Baron Ebury (1834–1918), British politician
 * Robert Grosvenor, 5th Duke of Westminster (1910–1979), British soldier, landowner, businessman and politician
 * Robert Grosvenor, 5th Baron Ebury (1914–1957), British politician
 * Lord Robert Edward Grosvenor, the fourth son of Hugh Grosvenor, 1st Duke of Westminster
 * Robert Grosvenor (aviator) (1895–1953), World War I flying ace
 * Robert Grosvenor (artist) (born 1937), American sculptor