John Linnell (born 1959) is an American musician and a member of the band They Might Be Giants.
John Linnell may also refer to:
John Linnell (painter) (1792–1882), English landscape and portrait painter, who was father of: John Linnell the Younger (1821–1906), English botanist John Linnell (cabinet maker) (1729–1796), English cabinet maker John Wycliffe Linnell, British physician
See also John Linnell Bond, architect