William Evans FRSE FFA FSA MBOU (1851–1922) was a Scottish naturalist, ornithologist and actuary.
[2] He was born at the Royal Botanic Garden Edinburgh (presumably in the East Lodge), where his father, William Wilson Evans, was Curator, on 9 May 1851.
[4] His proposers were Robert Gray, Thomas Bond Sprague, John MacGregor McCandlish, and Sir Peter Redford Scott.
[6] In the later 19th century he conducted a correspondence with the German ornithologist Ernst Hartert, these documents are now held in the Natural History Museum, London.
William Edgar Evans followed in his father's footsteps becoming a botanist and Assistant in Charge of the Herbarium at the Royal Botanic Garden Edinburgh from 1919 to 1944.