Field Marshal Sir Arthur Arnold Barrett, GCB, GCSI, KCVO (3 June 1857 – 20 October 1926) was a British officer of the Indian Army.

He saw action at the Siege of the Sherpur Cantonment in December 1879 and at the Battle of Kandahar in September 1880 during the Second Anglo-Afghan War and went on to serve in the Hunza-Nagar Campaign in 1891.

[3] He transferred from the 44th Foot[4] to the Indian Staff Corps on 17 January 1879[5] and was posted to the 3rd Sikhs, a regiment of the Punjab Frontier Force, and saw action at the Siege of the Sherpur Cantonment in December 1879 and at the Battle of Kandahar in September 1880 during the Second Anglo-Afghan War.

[9] He became Commanding Officer of the 1st battalion the 5th Gurkha Rifles in 1899 and received promotion to the substantive rank of lieutenant-colonel on 10 September 1901[10] and to brevet colonel on 11 October 1902.

[11] He was appointed Companion of the Order of the Bath (CB) in 1903 and became deputy adjutant-general at Northern Command in India with the substantive rank of colonel on 20 February 1905.

[19] On the declaration of war on the Ottoman Empire in November 1914 Barrett was sent to Mesopotamia with his division and occupied the city of Basra later that month.