Diamond Comic Distributors, Inc. (often called Diamond Comics, DCD, or casually Diamond) is an American comic book distributor serving retailers in North America and worldwide. They transport comic books and graphic novels, as well as other popular culture products such as toys, games, and apparel from comic book publishers or suppliers to retailers. Diamond distributes to the direct market in the United States and has exclusive distribution arrangements with several major U.S. comic book publishers, including Dark Horse Comics, Image Comics, and IDW Publishing (until June 1, 2022).