George Robert Milne Murray (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. 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.