Lieutenant-General Sir James Robert Steadman Sayer KCB (13 January 1826 – 12 June 1908) was a British Army officer who became General Officer Commanding Western District.

[2][3] Sayer was commissioned as a cornet in the King's Dragoon Guards on 23 May 1845.

[4] He served as a junior officer in the Crimean War and subsequently served in the British Indian Army.

[4] He became General Officer Commanding Western District in England in April 1883.

He was then Colonel of the 1st King's Dragoon Guards from 1886 to 1908[6] and, in that capacity, he was advanced to Knight Commander of the Order of the Bath (KCB) in the 1906 Birthday Honours.