Sir John Arthur Ransome Marriott (17 August 1859 – 6 June 1945) was a British educationist, historian, and Conservative member of parliament (MP).

During the course of his lifetime, Marriott wrote more than forty books on British and European history, as well as current political subjects.

[2] Marriott wrote prolifically, on modern English and European history, the British Empire, and on political institutions.

[2] In 1917, he was elected unopposed under the war-time electoral pact to represent Oxford City in the by-election following the elevation to a UK peerage of Lord Valentia.

[2] Marriott returned to parliament in 1923 for York, defending his seat successfully in the 1924 general election, but lost in 1929 to a Labour candidate, Frederick George Burgess.