A number of notable people are known by the surname Breuer
- Carolyn Breuer, German musician
- Eric Breuer, Swiss archaeologist and historian
- Hans Breuer (physicist), German physicist
- Hans Breuer (politics), German mayor
- Isaac Breuer, German-Jewish intellect
- Jim Breuer, American comedian
- Josef Breuer, physician and physiologist
- Rabbi Joseph Breuer, rabbi
- Lagos Breuer (Eluzar Zvi Breuer; of Sopron, Hungary)
- Lanny A. Breuer, White House lawyer for President Bill Clinton in the Lewinsky scandal
- Lee Breuer, theatre director
- Marcel Breuer, Architect and furniture designer
- Menahem Breuer, Israeli violinist, member of the Israel Piano Trio
- Michel Breuer, Dutch footballer
- Miles J. Breuer, science fiction writer and physician
- Rabbi Mordechai Breuer, Orthodox rabbi
- Mordechai Breuer (historian), Jewish historian, Bar Ilan professor emeritus
- Rabbi Solomon Breuer, rabbi
- Theo Breuer, German poet, essayist, editor, translator and publisher