Harro Magnussen ((1861-05-14)May 14, 1861 – November 3, 1908(1908-11-03)) was a German sculptor from Hamburg, Germany. Magnussen was the son of graphic artist Christian Carl Magnussen, and received his early training in drawing and wood carving from his father. In 1882 Magnussen enrolled in the Munich Academy where he studied painting. From 1888 worked in the Berlin studio of sculptor Reinhold Begas, where he made significant contributions to the Kaiser Wilhelm National Monument in Berlin, and the Albrecht von Roon monument, now in front of the Berlin Victory Column in Berlin-Tiergarten.
Details of the monument group № 20 in the former Siegesallee in Berlin commemorating Brandenburg’s Margrave and Elector Joachim II Hector (1505–1571). The side bust on the left commemorates George, Margrave of Brandenburg-Ansbach. In the middle the richly decorated pedestal supporting Hector with a communion chalice and host. On the right, as an addition between the two side busts, a bronze relief with a portrait medallion of Martin Luther.