Robert Blackwell (1918–1985) was an American bandleader.
Robert Blackwell may also refer to:
Robert Blackwell (1748–1831), American minister, surgeon, Served at Valley Forge Robert L. Blackwell (1895–1918), American soldier posthumously given the Medal of Honor Robert Blackwell Jr., American businessman
See also Robert Blackwill (born 1939), American diplomat and lobbyist