Mercer is the given name of:
Mercer Barrows, American television producer, art director and writer
Mercer Ellington (1919-1996), American jazz trumpeter, composer and arranger
Mercer Mayer (born 1943), American children's book writer and illustrator
Mercer Reynolds (born 1945), American businessman
Mercer Simpson (1926-2007), English writer active in Welsh literary circles
