Robert Mayer
Robert Mayer may refer to:
- Robert Mayer , Swiss ice hockey goaltender
- Robert Mayer , German-born British philanthropist
- Robert Mayer , president pro tem of the Missouri Senate
- Robert A. Mayer, director of George Eastman House
- Robert Mayer, author of the novel Superfolks
- Bob Mayer
- Julius Robert von Mayer, German physician and physicist, and one of the founders of thermodynamics