Benjamin Day or Ben Day may refer to:
Publishing Benjamin Henry Day (1810–1889), American illustrator and printer; founder of the original New York Sun Benjamin Henry Day Jr. (1838–1916), American illustrator and printer The Ben Day process, printing technology invented by Benjamin Henry Day Jr.
Other Benjamin Day (cyclist) (born 1978), Australian professional road racing cyclist Benjamin M. Day, 11th director of Ellis Island, from 1926 to 1931
See also Day (surname)