Robert Marsh may refer to:
Robert T. Marsh (1925–2017), United States Air Force general Robert H. Marsh (born 1952), American politician and political aide Robert McC. Marsh (1878–1958), American lawyer, politician, and judge Robert Marsh (cyclist) (born 1968), cyclist from Antigua and Barbuda Robert Marsh (banker), governor of the Bank of England, 1762–1764 Robert Burkall Marsh (born 1950), Welsh-born painter in New Zealand