| John Duncan | |
| Birth Date: | 16 May 1870 |
| Death Date: | 1960 (aged 89−90) |
| Allegiance: | United Kingdom |
| Serviceyears: | 1889− |
| Rank: | Major-General |
| Branch: | British Army |
| Commands: | 165th (Liverpool) Brigade 214th Brigade 60th Brigade 61st (2nd South Midland) Division |
| Unit: | Royal Scots |
| Battles: | Second Boer War First World War |
| Awards: | Companion of the Order of the Bath Companion of the Order of St Michael and St George Distinguished Service Order |
Major-General Francis John Duncan (16 May 1870 – 1960) was a senior British Army officer.
Educated at Shrewsbury School,[1] Duncan was commissioned into the Royal Scots on 21 September 1889. After serving in the Second Boer War, he became military commandant at Edenburg in South Africa.[1]
During the First World War he was deployed as a staff officer with the British Expeditionary Force and then became commander of the 165th (Liverpool) Brigade in France January 1916,[2] commander of the 214th Brigade in the UK in April 1917 and commander of 60th Brigade in France in October 1917.[1] He went on to be General Officer Commanding 61st (2nd South Midland) Division in 1918.[3]
In 1905 he married Lili Linder.[1]