| Marshall St John Oswald | |
| Branch: | British Army |
| Allegiance: |  United Kingdom |
| Rank: | Major-General |
| Battles: | Second World War |
| Awards: | Companion of the Order of the Bath Commander of the Order of the British Empire Distinguished Service Order Military Cross |
Major-General Marshall St John Oswald was a British Army officer who served as Director of Military Intelligence.
Oswald was commissioned into the Royal Artillery.[1] He served in the Second World War during which he was awarded the Military Cross and the Distinguished Service Order.
After the War he became Chief of Staff for I (BR) Corps in 1959 and Director of Military Intelligence in June 1962, in which capacity he dealt with the defection of the intercept operator Brian Patchett,[2] before retiring in 1965.[3]
He was appointed a Commander of the Order of the British Empire in the 1961 Birthday Honours. and a Companion of the Order of the Bath in the 1965 New Year Honours.