| William Ozanne | |
| Birth Date: | 15 September 1891 |
| Birth Place: | Guernsey, Channel Islands |
| Death Date: | 24 March 1966 (aged 74) |
| Death Place: | Barton Mills, Suffolk, England |
| Allegiance: | United Kingdom |
| Serviceyears: | 1911−1946 |
| Servicenumber: | 28 |
| Rank: | Major-General |
| Branch: | British Army |
| Commands: | 1st Battalion, Duke of Wellington's Regiment 55th Infantry Brigade Norfolk County Division 76th Infantry Division |
| Unit: | Duke of Wellington's Regiment |
| Battles: | First World War Second World War |
| Awards: | Companion of the Order of the Bath Commander of the Order of the British Empire Military Cross |
Major-General William Maingay Ozanne (15 September 1891 − 24 March 1966) was a senior British Army officer.
Educated at Elizabeth College, Guernsey,[1] Ozanne later entered the Royal Military College, Sandhurst, from where he was commissioned as a second lieutenant into the Duke of Wellington's Regiment on 4 March 1911. Among his fellow graduates there were F. C. Roberts and P. H. Hansen, both of whom would later win the Victoria Cross (VC), and C. C. Malden, who would, like Ozanne, become a future general.
He served on the Western Front during the First World War.
He went on to become commanding officer of the 1st Battalion, the Duke of Wellington's Regiment in 1936 and the served in the Second World War as General Officer Commanding of the Norfolk County Division from December 1940, as General Officer Commanding 76th Infantry Division from November 1941 and then performed "special duties" in the War Office from December 1943... He retired from the army in 1946.