Douglas Beresford Malise Ronald Graham, 5th Duke of Montrose KT (7 November 1852 – 10 December 1925) was a Scottish nobleman.
The 3rd son of 4th Duke and Caroline Agnes, youngest daughter of the 2nd Lord Decies, he was educated at Eton College and succeeded his father in 1874.
He joined the Coldstream Guards in 1872, transferred to the 5th Lancers, 1874, and retired 1878; late Colonel commanding 3rd Battalion of the Argyll and Sutherland Highlanders. He served in the South African War (medal and two clasps).
He was appointed a Knight of the Thistle in 1879 and was Chancellor of the Order from 1917. He was ADC to HM the King.
He was Lord Lieutenant of Stirlingshire from 1885 to 1925, Hereditary Sheriff of Dumbartonshire (now Dunbartonshire), Lord Clerk Register from 1890 until his death, and Lord High Commissioner to the General Assembly of the Church of Scotland in 1916–1917.
Lord Graham married Violet Hermione Graham, daughter of Sir Frederick Graham 3rd Baronet of Netherby; they had five children:
| Political offices | ||
|---|---|---|
| Preceded by The Earl of Glasgow |
Lord Clerk Register 1890 – 1925 |
Succeeded by The Duke of Buccleuch |
| Honorary titles | ||
| Preceded by The Earl of Dunmore |
Lord Lieutenant of Stirlingshire 1885 – 1925 |
Succeeded by The Viscount Younger of Leckie |
| Preceded by The Duke of Atholl |
Chancellor of the Order of the Thistle 1917 – 1925 |
Succeeded by The Duke of Roxburghe |
| Peerage of Scotland | ||
| Preceded by James Graham |
Duke of Montrose 1874 – 1925 |
Succeeded by James Graham |