Theodor Steltzer (December 17, 1885, Trittau - October 27, 1967) was a German politician (CDU), former Minister-President of Schleswig-Holstein (1946–1947) and was a member of the Kreisau Circle during World War II, becoming involved while stationed in Occupied Norway as a transportation officer in the Wehrmacht. He was born in Trittau and died in Munich.