John Aldrich may refer to:
John Aldrich (political scientist) (born 1947), American political scientist and author John Aldrich (MP) (by 1520–1582), English politician John Merton Aldrich (1866–1934), American zoologist and entomologist John Warren Aldrich (1906–1995), American ornithologist
See also John Aldridge (born 1958), Irish football player