Arthur Duff may refer to: Arthur Duff (composer) (1899–1956), Irish composer and conductor Arthur Duff (cricketer) (1883–?), Jamaican cricketer Arthur Duff (MP) (1743–1805), Scottish MP for Elginshire Sir Arthur Duff (Royal Navy officer) (1874–1952), British Royal Navy admiral Sir Arthur Grant Duff (1861–1948), British diplomat Sir Arthur Antony Duff (1920–2000), British diplomat and director general of MI5