Action Comics is an American comic book series that introduced Superman, one of the first major superhero characters as the term is popularly defined. The publisher was originally known as Detective Comics, Inc., and later as National Comics and as National Periodical Publications, before taking on its current name of DC Comics. Its original incarnation ran from 1938 to 2011 and stands as one of the longest-running comic books with consecutively numbered issues; a second volume of Action Comics, beginning again with issue #1, was launched in 2011 and is currently in publication as of 2016.

Action was a controversial weekly British anthology comic that was published by IPC Magazines, starting on 14 February 1976.