John Arnot may refer to:
John Arnot Jr. (1831–1886), American politician John Arnot, prisoner on the St. Michael of Scarborough Sir John Arnot (1530–1616) of Berswick, twice Lord Provost of Edinburgh Sir John Arnot, 3rd Baronet (died 1750) of the Arnot baronets Sir John Arnot, 4th Baronet (died 1762) of the Arnot baronets Sir John Arnot, 5th Baronet (died c. 1765) of the Arnot baronets
See also John Arnott (disambiguation) Arnot (disambiguation)