Sir James Walker KCMG CB (9 April 1809 – 28 August 1885) was a Scottish colonial administrator.
Entering the colonial office as a junior clerk in 1826, he served under several secretaries of state, and on 11 February 1837 he became registrar of British Honduras.
In January 1841 he accompanied, as his secretary, Sir Henry Macleod, special commissioner to British Guiana, to settle difficulties with the legislature over the civil list.
He became in 1842 colonial secretary of Barbados, at that time the seat of the government for the Windward Islands group, and during his service there Walker was sent in September 1856 to act as lieutenant-governor of Grenada, and in 1857 to fill a similar position at St Vincent.
[1] Walker retired on a pension in May 1871, and lived a country life, first at Uplands, near Taunton, and later at Southerton, Ottery St. Mary, Devon, where he died on 28 August 1885.