Lord Robert Grosvenor D.S.O. 5th Baron Ebury

Robert Egerton Grosvenor, 5th Baron Ebury DSO (8 February 1914 – 5 May 1957), was a British politician.

A member of the Grosvenor family headed by the Duke of Westminster, Lord Ebury was the son of Francis Egerton Grosvenor, 4th Baron Ebury, and his wife Mary Adela (née Glasson). He was educated at Harrow School, succeeded his father in the barony in 1932, and served as a Lord-in-waiting (government whip in the House of Lords) under Neville Chamberlain from 1939 to 1940. He served in the Royal Artillery during the war, and he was awarded the DSO for his bravery under fire during the siege at Cassino in 1944.

Lord Ebury married firstly Anne, daughter of Herbert Walter Acland-Troyte, in 1933. They had two sons but were divorced in 1941 (she died in 1982). He married secondly the Hon. Denise Margaret, daughter of John Reginald Lopes Yarde Buller, 3rd Baron Churston, in 1941. They had two sons and two daughters but were divorced in 1954 (she died in 2005). He married thirdly Sheila Winifred, daughter of Arthur Edward Dashfield, in 1954.

A keen racing driver, Lord Ebury died in an accident at Prescott, Gloucestershire in May 1957, aged 43, while driving a Jaguar C-type. He was succeeded in the barony by his eldest son from his first marriage, Francis, who in 1999 succeeded a kinsman as 8th Earl of Wilton. His grandson is the art historian, writer and television presenter Bendor Grosvenor.