John Murray, 11th Duke of Atholl (19 January 1929 – 15 May 2012) was a South African-born hereditary peer of the Peerage of Scotland, hereditary Clan Chief of Clan Murray, and Colonel-in-Chief of the Atholl Highlanders.
As Duke of Atholl, he commanded the only legal private army in Europe.
He acceded as the 11th duke on February 27, 1996, succeeding his second cousin, once removed, Iain Murray, the 10th duke.