Robert Menzies (1894–1978) was the longest-serving prime minister of Australia.
Robert Menzies may also refer to: Robert Stewart Menzies (1856–1889), Scottish Liberal politician Robert Menzies (cricketer) (1916–1983), Australian-born New Zealand cricketer Robert Menzies (British Army officer) (born 1944) Robert Menzies (water polo) (born 1946), Australian Olympic water polo player Robert Menzies (actor) (born 1955), Australian television actor Robert Menzies College, a residential college of Macquarie University
See also Menzies (disambiguation) Robert Menzies Mitchell (1865–1932), Canadian physician and political figure