Batman: Year One is an American comic book story arc written by Frank Miller and illustrated by David Mazzucchelli. Year One was originally published by DC Comics in Batman #404–407 in 1987. There have been several reprints of the story: a hardcover, multiple trade paperbacks, several deluxe editions in hardcover and paperback format, and an Absolute Edition. Year One was also adapted into an animated feature in 2011, after efforts to adapt it into a live-action film were cancelled following the failure of 1997's Batman & Robin.

Frank Miller is an American comic book artist, comic book writer, and screenwriter known for his comic book stories and graphic novels such as his run on Daredevil, for which he created the character Elektra, and subsequent Daredevil: Born Again, The Dark Knight Returns, Batman: Year One, Sin City, and 300.