Charles Mayer may refer to: Charles Mayer (actor) (born 1970), English stage actor Charles Mayer (boxer) (1882–1972), American boxer Charles Mayer (composer) (1799–1862), or Meyer, Prussian composer Charles Mayer (journalist) (1901–1971), Canadian journalist, sportsperson and politician Charles Mayer (politician) (born 1936), Canadian businessman and politician Charles F. Mayer (1795–1864), American lawyer, Maryland state senator, and railroad director Charles F. Mayer (railroad president) (1826–1904), Maryland businessman and B&O president, nephew of the above Charles Léopold Mayer (1881–1971), French biochemist and philosopher