|Sir John Winterton|
|Born||13 April 1898|
|Died||14 December 1987|
|Years of service||1917–1955|
Free Territory of Trieste
|Battles/wars||World War I
World War II
|Awards||Knight Commander of the Order of the Bath
Knight Commander of the Order of St Michael and St George
Commander of the Order of the British Empire
Major General Sir (Thomas) John Willoughby Winterton KCB, KCMG, CBE, DL (13 April 1898 – 14 December 1987) was a senior British Army officer who was the Military Governor and Commander of the British and US Zone of the Free Territory of Trieste from 1951 to 1954.
Educated at Oundle School and at the Royal Military Academy, Woolwich, Winterton was commissioned into the Royal Artillery in 1917. After serving in World War I, he was posted to Burma in 1930. He transferred to the Oxfordshire and Buckinghamshire Light Infantry on the recommendation of the commandant of the staff college, Major General, later General Sir Bernard Paget.  He served in World War II initially as Deputy Adjutant and Quartermaster General for I Corps in which role he took part in the Dunkirk evacuation. He became Chief of Staff to the General Officer Commanding Burma in 1942 and was given command of a brigade in Burma in 1943 and then in Italy in 1944.
After the War he became Deputy Commissioner of the Allied Control Commission for Austria 1945 and then became British High Commissioner and Commander-in-Chief Austria in 1950. He went on to be Military Governor and Commander of the British and US Zone of the Free Territory of Trieste from 1951 to 1954 before retiring in 1955. Winterton was Colonel Commandant of the Oxfordshire and Buckinghamshire Light Infantry from 1955 to 1958 and Colonel Commandant of the 1st Green Jackets (43rd and 52nd) from 1958 to 1960. He lived in Newbury, Berkshire.
He married Helen Cross in 1921 with whom he was to have three sons.
Major General Sir John Winterton KCB, KCMG, CBE, DL died on 14 December 1987.