Gustav Graef (December 14, 1821 in Königsberg - January 6, 1895 in Berlin) was a German painter, primarily of portraits and historical subjects. He studied with Theodor Hildebrandt and Friedrich Wilhelm Schadow at the Kunstakademie Desseldorf. His son Botho Graef became an art historian of some note, and his daughter was the painter Sabine Lepsius.
