Charles Mayer

• Charles Mayer , English stage actor
• Charles Mayer , American boxer
• Charles Mayer , or Meyer, Prussian composer
• Charles Mayer , American animal collector and plagiarist
• Charles Mayer , Canadian journalist, sportsperson and politician
• Charles Mayer , Canadian businessman and politician
• Charles F. Mayer, American lawyer, Maryland state senator, and railroad director
• Charles F. Mayer , Maryland businessman and B&O president, nephew of the above
• Charles Léopold Mayer, French biochemist and philosopher