Thomas Daniel Knox, 6th Earl of Ranfurly KCMG KStJ (29 May 1914 – 6 November 1988), known as Dan Ranfurly, was a British Army officer and farmer, who served as Governor of the Bahamas. His exploits in the Second World War, along with those of his wife, Hermione, and his valet, Whitaker, were chronicled in his wife's memoirs from the time, To War With Whitaker: The Wartime Diaries of the Countess of Ranfurly, 1939–1945.