Ernst Steindorff (15 June 1839 – 9 April 1895) was a German historian who was a native of Flensburg, Duchy of Schleswig.
He studied history at the Universities of Kiel, Göttingen and Berlin.
Steindorff is remembered as author of the two-volume Jahrbücher des Deutschen Reichs unter Heinrich III (Annals of the German Empire under Henry III) (1874–81).
He also published the sixth edition of the Dahlmann-Waitz Quellenkunde der Deutschen Geschichte.
This article about a German historian is a stub.