Claus Westermann (7 October 1909 – 11 June 2000) was a German Protestant Old Testament scholar. He taught at the University of Heidelberg from 1958 to 1978.Born to African missionaries, he finished his studies in 1933 he became a pastor. During his theological studies he started studying the Old Testament, and became particularly interested in the content of the Psalms. During the Nazi regime he served in the German army for five years where he was a translator on the Russian front.