Lord Glenlyon refers to Lieutenant-General James Murray, 1st Baron Glenlyon KCH FRS (29 May 1782 – 12 October 1837), styled as Lord James Murray until 1821.  Murray was born in 1782 at Dunkeld, Perthshire, the son of John Murray, 4th Duke of Atholl and his wife the Hon. Jane Cathcart. He was first commissioned into the British Army in 1798 and rose to the rank of Major-General by 1819. In 1807, he was elected Member of Parliament for Perthshire, holding the seat until 1812. He served as a Gentleman of the Bedchamber from 1812 to 1832 and from 1813 to 1819 was also aide-de-camp to the Prince Regent. He was created Baron Glenlyon, of Glenlyon, Perthshire, on 17 July 1821, and was promoted Lieutenant-General in 1837. Lord Glenlyon died at Fenton's Hotel, St James's Street, London, on 12 October 1837, aged fifty-five, and was buried on 30 October at Dunkeld.

Glen Lyon is a glen in the Perth and Kinross region of Scotland. It is the longest enclosed glen in Scotland and runs for 34 miles from Loch Lyon in the west to the village of Fortingall in the east. This glen was also known as "An Crom Ghleann", (the bent glen). It forms part of the Loch Rannoch and Glen Lyon National Scenic Area, one of 40 such areas in Scotland, which are defined so as to identify areas of exceptional scenery and to ensure its protection from inappropriate development by restricting certain forms of development. Sir Walter Scott described Glen Lyon as the longest, loneliest and loveliest glen in Scotland.