Sir Vernon Haddon Treatt KBE, MM, QC (15 May 1897 – 20 September 1984) was an Australian lawyer, soldier, Rhodes Scholar and politician. Born in Singleton, New South Wales and educated at Shore School, Treatt interrupted his studies at the University of Sydney to enlist at the outbreak of the First World War. Serving in the Royal Australian Artillery, Treatt served in France and was awarded the Military Medal. Upon returning to Australia he was awarded a Rhodes scholarship and further educated at New College, Oxford.