John Arnott (disambiguation)

Sir John Arnott, 1st Baronet (1814–1898), was an Irish entrepreneur.

John Arnott may also refer to:
 * John Arnott (English footballer) (1932–2017), English footballer
 * John Arnott (Scottish footballer), Scottish footballer
 * John Arnott (politician) (1871–1942), Scottish politician
 * Sir John Arnott, 2nd Baronet (1853–1940) of the Arnott baronets
 * Sir John Arnott, 5th Baronet (1927–1981) of the Arnott baronets