Robert Aitken may refer to:
Science and medicine Robert Grant Aitken (1864–1951), American astronomer Robert Aitken (dermatologist) (1888–1954) Scottish dermatologist Sir Robert Aitken (university administrator) (1901–1997), New Zealand physician and university administrator John Aitken (biologist) (Robert John Aitken; born 1947), Australian reproductive biologist
Others Robert Aitken (publisher) (1734–1802), American publisher Robert Aitken (preacher) (1800–1873), Scottish popular preacher Robert P. Aitken (1819–1905), American politician Robert Hope Moncrieff Aitken (1826–1887), Scottish army officer and recipient of the Victoria Cross Robert Ingersoll Aitken (1878–1949), American sculptor Robert Thomas Aitken (1890–1977), American anthropologist Robert Aitken (soccer) (1904–1962), American soccer player Robert Baker Aitken (1917–2010), American teacher of Zen Buddhism Robert Aitken (composer) (born 1939), Canadian flautist and composer Roy Aitken (Robert Aitken; born 1958), Scottish footballer Robert Campbell Aitken (born 1963), Canadian electrical engineer Robert Douglas Aitken (1900–1974), South African medical missionary and botanist