Mordechai Breuer (; April 8, 1918 – May 28, 2007) was a German-Jewish historian and writer.

Background and Family Breuer was born in Frankfurt am Main (Germany) to Isaac Breuer and his wife Jenny Breuer (née Eisenmann) in 1918. He had four siblings: Yaakov, who prosecuted Adolf Eichmann; Ulla, Tzipora, and Simeon. The family originated in Frankfurt but left for Israel in 1936. His niece Michal Lupolianski was married to Jerusalem Mayor Uri Lupolianski.

Work Breuer wrote extensively on history, particularly German Jewish history. His works include Modernity Within Tradition: The Social History of Orthodox Jewry in Imperial Germany, (Columbia University Press: 1992) and The Torah-im-Derekh-Eretz of S.R. Hirsch (1970).

References

German-Jewish history in modern times, Volume 1, By Michael A. Meyer, Mordechai Breuer, Michael Graetz פיוטים בביצועו, מתוך אתר "פיוט"