Batman: Earth One is a series of graphic novels written by Geoff Johns and illustrated by Gary Frank. The series is a modernized re-imagining of DC Comics' long-running Batman comic book franchise as part of the company's Earth One imprint. Earth One's Batman exists alongside other revamped DC characters in Earth One titles, including Superman: Earth One and Wonder Woman: Earth One, as well as other graphic novels.

Geoffrey Johns is an American comic book writer, screenwriter, and film and television producer. Johns's work on the DC Comics characters Green Lantern, Aquaman, Flash, and Superman has drawn critical acclaim. He co-created the DC character Courtney Whitmore based on his deceased sister. He also expanded the Green Lantern mythology, adding in new concepts and co-creating numerous characters. Among the DC characters and concepts he co-created are Larfleeze, the Sinestro Corps, the Indigo Tribe, the Red Lantern Corps, Atrocitus, the Black Lantern Corps, Jessica Cruz, Hunter Zolomon, Tar Pit, Simon Baz, Bleez, Miss Martian, and Kate Kane.