Carl Mayer (1894-1944) was a German screenplay writer.
Carl Mayer may also refer to: Carl J. Mayer (born 1959), American lawyer, politician, author, public speaker and consumer advocate Carl Mayer von Rothschild (1788-1855), 19th-century German banker
See also Karl Mayer, a character on Desperate Housewives Carl Meyer (disambiguation) Karl Meyer (disambiguation)