General Sir Robert Dundas Whigham, GCB, KCMG, DSO (5 August 1865 – 23 June 1950) was a Scottish British Army officer who served as Adjutant-General to the Forces.

[4] Educated at Fettes College in Edinburgh and at the Royal Military College, Sandhurst, Whigham was commissioned into the 1st Battalion of the Royal Warwickshire Regiment as a lieutenant on 9 May 1885, where the future field marshal, William Birdwood, was a fellow student.

[5][6] He was promoted to captain on 3 March 1892, when he became adjutant for the Royal Warwickshire Regiment, and was seconded to the Egyptian Army in December 1897,[7] where he served in the Nile Expedition of 1898 with the 12th Sudanese Battalion.

[5] During the Second Boer War he served from 1899 as aide-de-camp to Major-General Hector MacDonald, in command of the Highland Brigade, and was promoted to major on 1 August 1900.

[5] He was appointed GOC 3rd Division in 1919,[20] promoted to lieutenant general in August 1921,,l[21] was Adjutant-General to the Forces in 1923,[22] and served as GOC-in-Chief for Eastern Command in 1927.