Ernst Willibald Emil Hübner (7 July 1834 – 21 February 1901) was a German classical scholar. He was born at Düsseldorf, the son of the historical painter Julius Hübner (1806–1882).After studying at Berlin and Bonn, he traveled extensively with a view to antiquarian and epigraphical researches. The results of these travels were published in several important works: Inscriptiones Hispaniae Latinae (1869, supplement 1892), Inscriptiones Hispaniae Christianae (1871, supplement 1900); Inscriptiones Britanniae Latinae (1873), Inscriptiones Britanniae Christianae (1876); La Arqueologia de Espana (1888); Monumenta Linguae Ibericae (1893).