Brigadier-General Sir Percy Molesworth Sykes, KCIE, CB, CMG, FRGS (28 February 1867 – 11 June 1945) was a British soldier, diplomat, and scholar with a considerable literary output.

He wrote historical, geographical, and biographical works, as well as describing his travels in Persia and Central Asia.

Percy Sykes was born in Brompton, Kent, England the only son of Army chaplain Rev.

During the Second Boer War in South Africa he served as second in command of the 9th Battalion, Imperial Yeomanry until September 1901.

[11] In March 1915 he was charged as acting Consul-General in Chinese Turkestan, now Xinjiang, in the Uyghur Autonomous Region of China.

[16] His forces, consisting of some 7,000 men, supported the Russians at Isfahan against Bakhtiaras and restored some order to the country.

Percy's family later introduced the "Sykes medal", awarded to those who contributed to the understanding of Persia and Central Asia.