George Robert Milne Murray FRS FRSE FLS (11 November 1858 – 16 December 1911) was a Scottish naturalist, botanist, diatomist and algologist, noted for his association with T. H. Huxley and with the Discovery Expedition.

[1] He was the naturalist aboard the solar eclipse expedition to the West Indies in 1886, and was a member of several scientific voyages for the collection of marine organisms, leading valuable work on the Atlantic coast of Ireland in 1898.

In 1875, he studied cryptogamic botany at the University of Strasbourg under Anton de Bary.

[4] He retired in 1905 due to ill health and died in Stonehaven, Kincardineshire, on 16 December 1911.

He wrote, with A. W. Bennett, A Handbook of Cryptogamic Botany (1889)[5][6] and, as sole author, An Introduction to the Study of Seaweeds (1895),[7] and published about forty articles on cryptogams and oceanography, mostly in the Journal of Botany.