John ("Jack") Ogilvy Arbuthnott, 14th Viscount of Arbuthnott DL (Montrose; 15 September 1882 – 17 October 1960), was a Scottish Viscount.

Lord Arbuthnott enlisted in the Calgary Light Horse, a unit of the Canadian Army, in February 1917.

Lord Arbuthnott represented viscounts at the Coronation of Elizabeth II in 1953.

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