Air Marshal Sir Colin Thomas Hannah, KCMG, KCVO, KBE, CB (22 December 1914 – 22 May 1978) was a senior commander in the Royal Australian Air Force (RAAF) and a Governor of Queensland. Born in Western Australia, he was a member of the Militia before joining the RAAF in 1935. After graduating as a pilot, Hannah served in Nos. 22 and 23 Squadrons from 1936 to 1939. During the early years of World War II, he was the RAAF's Deputy Director of Armament.