Franz Mayer (disambiguation)
Franz Mayer may refer to:

 August Franz Josef Karl Mayer (1787-1865), German anatomist and physiologist. 
 Franz Mayer (1882-1975), German-born Mexican financier and art collector
 Franz Mayer & Co., 19th century Munich stained-glass artist and manufacturer
 Franz Mayer (referee), Austrian football referee in 1965–66 European Cup
 Franz Mayer Museum, museum in Mexico City