Henry John Innes-Ker, 8th Duke of Roxburghe (24 July 1876 – 29 September 1932) was a Scottish peer. He was the son of James Henry Robert Innes-Ker, 7th Duke of Roxburghe and Anne Emily Spencer-Churchill. His first cousin was Winston Churchill. He married Mary Goelet, daughter of the New York real-estate millionaire Ogden Goelet, on 10 November 1903, and had one child, George Victor Robert John Innes-Ker, 9th Duke of Roxburghe. His sister-in-law was the actress Jose Collins.
He was a Lieutenant in the Royal Horse Guards and served with the Household Cavalry composite regiment in South Africa during the Second Boer War in 1900. He served as ADC to the Duke of Cornwall and York during Colonial tour of 1901. He later served in World War I, and was severely wounded.
He was appointed a Member of the Royal Victorian Order in 1901. He was appointed a Knight of the Thistle in 1902, and served as Chancellor of the Order of the Thistle from 1926 until his death.
He was Lord Lieutenant of Roxburghshire from 1918 until his death. He was appointed a Lieutenant of the Royal Company of Archers in 1930.
| Honorary titles | ||
|---|---|---|
| Preceded by The Lord Reay |
Lord Lieutenant of Roxburghshire 1918 – 1932 |
Succeeded by The Duke of Buccleuch |
| Preceded by The Duke of Montrose |
Chancellor of the Order of the Thistle 1926 – 1932 |
Succeeded by The Earl of Mar |
| Peerage of Scotland | ||
| Preceded by James Innes-Ker |
Duke of Roxburghe 1892 – 1932 |
Succeeded by George Innes-Ker |