Geoffrey Morse Binnie FRS FEng (13 November 1908 – 5 April 1989) was a British civil engineer and writer particularly associated with dams and reservoirs. Binnie was the third generation of his family to enter civil engineering (his grandfather was Sir Alexander Binnie, and father William Binnie). He was educated at Charterhouse School, Trinity Hall, Cambridge and Zurich University. On graduation, he became a pupil of Swiss engineer Dr Henry Edward Gruner, working on a hydro-electric scheme, Seruf-Niederenbach, in the Alps, and then on a larger project, on the River Rhine.