Robert Harrington may refer to:
Politicians Robert Harrington (MP for St Ives), MP for St Ives 1559 Robert Harrington (died 1399), MP for Leicestershire 1393 and Rutland 1384 Robert Harrington (MP for Lancashire), MP for Lancashire Rob Harrington (born 1962/1963), American politician
Others Robert Harrington (writer), English writer Robert George Harrington (1904–1987), astronomer, worked at Palomar Observatory Robert Sutton Harrington (1942–1993), astronomer, worked at the US Naval Observatory Robert Harrington (philanthropist) (1589–1654), bequests are part of the Bourne United Charities Bob Harrington (1912–?), jazz musician Robert A. Harrington, American physician and professor Robert Harrington (visual effects artist), British visual effects artist