Ernest (or Ernst) Friedrich Gilg (12 January 1867 in Baden-Württemberg, Germany – 11 October 1933 in Berlin) was a German botanist.
[1] He also made contributions to Engler's "Das Pflanzenreich", (e.g. the section on the family Monimiaceae).
[2][3] The Poaceae grass genus, Gilgiochloa, was posthumously named after him.
His spouse, Charlotte Gilg-Benedict (1872–1936), was co-author in some of his publications, and has the author abbreviation Gilg-Ben.
Over the course of his life, Gilg was binomial author or co-author of many species of plants.