Frederick Muhlenberg (disambiguation)

Frederick Muhlenberg (1750–1801) was the first Speaker of the U.S. House of Representatives.

Frederick Muhlenberg  may also refer to:


 * Frederick Augustus Muhlenberg (1887–1980), architect, Army officer and U.S. congressman from Pennsylvania
 * Frederick Augustus Muhlenberg (educator) (1818–1901), president of Muhlenberg College