Sir Maurice Garnier Hallett GCIE KCSI (28 October 1883 – 30 May 1969) was a British administrator who served as governor of the United Provinces and of Bihar Province, collectively from 1936 to 1945. He also served as commander-in-chief of the British Indian Army. He was among the other officials to formulate an action plan with Governor-General of India, Lord Linlithgow regarding the Khaksar movement and detention of Inayatullah Khan Mashriqi.