(Henry) Guy Ellcock Pilgrim (Stepney, Barbados, December 24, 1875 – Upton, then in Berkshire, September 15, 1943) was a British geologist and palaeontologist. He was a Fellow of the Royal Society and Superintendent of the Geological Survey of India, and made significant contributions to Cenozoic continental stratigraphy and vertebrate palaeontology.[1][2][3]