Sir Robert Elliott-Cooper KCB VD (29 January 1845 – 16 February 1942) was a British civil engineer.

[1][2] He spent much of his career as a railway engineer with projects in his native Yorkshire, India and West Africa.

[10][5] In October 1913 he held the institution's inaugural meeting in the newly built headquarters at One Great George Street, for which he had chaired the building committee.

In 1914 he was also appointed to the general board of the National Physical Laboratory and of the London County Council Tribunal of Appeal (in relation to the Building Act).

In 1916 he was a member of the Committee on the Deterioration of Structure Exposed to Sea Action and in 1919 on the government's Mining Sub-Committee.

[12] In 1925 he served as technical advisor to the British Treasury in which role he supervised payments made to contractors under the Trades Facilities Act.

[16][17] He resigned his commission as a major on 27 February 1886 and was permitted to retain his rank and continue to wear the uniform.

[24][5] In 1878 at or near Christchurch, then in Hampshire, he married Fanny, daughter of William Leetham,[25] and they had six children: Evelyn, Gilbert, Malcolm, Millicent, Vera and Neville.