Hitman is a character appearing in American comic books published by DC Comics. The character was created by Garth Ennis and John McCrea and first appeared in The Demon Annual #2 before receiving his own series by Ennis and McCrea that ran for 61 issues.

Garth Ennis is a Northern Irish–American comics writer, best known for the Vertigo series Preacher with artist Steve Dillon, his nine-year run on Marvel Comics' Punisher franchise, and The Boys with artist Darick Robertson. He has collaborated with artists such as Dillon and Glenn Fabry on Preacher, John McCrea on Hitman, Marc Silvestri on The Darkness, and Carlos Ezquerra on both Preacher and Hitman. His work has won him recognition in the comics industry, including nominations for the Comics Buyer's Guide Award for Favorite Writer in 1997, 1998, 1999, and 2000.