Bernhard Ludwig Suphan (18 January 1845, in Nordhausen – 9 February 1911, in Weimar) was a German philologist, known for his historical-critical edition of the complete works of Johann Gottfried Herder (33 volumes).He studied classical and German philology at the universities of Halle and Berlin, and from 1868 worked as a gymnasium teacher in Berlin.
In 1887 he was appointed director of the Goethe Archives in Weimar (from 1889 onward, known as the Goethe-Schiller Archives).