Sir George Olaf Roos-Keppel, was a British military officer who served in the capacities of Political Agent to the Governor-General in Kurram and Khyber, and later as Chief Commissioner, North West Frontier Province from 1908 till 1919. He is also known for his role in 3rd Afghan War.

The Third Anglo-Afghan War began on 6 May 1919 when the Emirate of Afghanistan invaded British India and ended with an armistice on 8 August 1919. The Anglo-Afghan Treaty of 1919 resulted in the Afghans gaining control of foreign affairs from Britain and the British recognizing the Durand Line as the border between Afghanistan and British India.