John Aitken

John Aitken may refer to:
 * John Aitken (music publisher) (c. 1745–1831), Scottish-American music publisher
 * John the Painter or John Aitken (1752–1777)
 * John Aitken (surgeon) (died 1790), Scottish surgeon
 * John Aitken (editor) (1793–1833), Scottish editor
 * John Aitken (meteorologist) (1839–1919)
 * John Aitken (politician) (1849–1921), mayor of Wellington, New Zealand
 * John Aitken (footballer, born 1870), Scottish footballer
 * Johnny Aitken (1885–1918), racing driver
 * John Aitken (footballer, born 1894) (c. 1894–1917), Scottish footballer
 * John Aitken (biologist) (born 1947), British-born Australian-based reproductive biologist