Hugh Gemmell Lamb-Smith (31 March 1889 26 December 1951), known as Gemmell, was an innovative Australian educator who landed at Anzac Cove, Gallipoli, on Sunday, 25 April 1915 as a member of the Second Field Ambulance unit, and went on to serve in Europe for the duration of the war. He also served (immediately post-war) as an AIF Education Scheme Instructor in Belgium. He was a prominent (lay) member of the Melbourne Anglican community, and he taught at Caulfield Grammar School from 1913 to 1951.