Robert Hobart, 4th Earl of Buckinghamshire (6, May, 1760 - 4, February, 1816) was a British statesman of the Tory Party.

|- style="text-align: center;" | width="30%" |Preceded by:
— | width="40%" style="text-align: center;" |Secretary of State for War and the Colonies
1801–1804 | width="30%" |Succeeded by:
The Earl Camden

|- style="text-align: center;" | width="30%" |Preceded by:
The Lord Mulgrave | width="40%" style="text-align: center;" |Chancellor of the Duchy of Lancaster
1805 | width="30%" |Succeeded by:
The Lord Harrowby

|- style="text-align: center;" | width="30%" |Preceded by:
Spencer Perceval | width="40%" style="text-align: center;" |Chancellor of the Duchy of Lancaster
1812 | width="30%" |Succeeded by:
Charles Bathurst

|- style="text-align: center;" | width="30%" |Preceded by:
The Viscount Melville | width="40%" style="text-align: center;" |President of the Board of Control
1812–1816 | width="30%" |Succeeded by:
George Canning