Robert McEwen may refer to:
Bob McEwen (Robert D. McEwen, born 1950), U.S. Representative from Ohio (1981–1993) Robert C. McEwen (1920–1997), U.S. Representative from New York (1965–1981) Robbie McEwen (born 1972), Australian-Belgian bicyclist Rob McEwen (born 1950), Canadian businessman Rob McEwen (footballer) (1926–1993), Australian rules footballer
See also Robert McEwan (disambiguation)