Diamond Comic Distributors
| Company type | Subsidiary | 
|---|---|
| Industry | Comics | 
| Founded | 1982 | 
| Headquarters | Hunt Valley, Maryland, United States | 
| Key people | 
 | 
| Products | comic book distribution | 
| Revenue | $500 million | 
| Number of employees | 540 | 
| Parent | Geppi Family Enterprises | 
| Website | DiamondComics.com | 
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. It transports 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.
It is owned by Geppi Family Enterprises, which is also the parent company of Alliance Game Distributors, Diamond Book Distributors, Diamond UK, Diamond Select Toys, Gemstone Publishing, E. Gerber Products, Diamond International Galleries, Hake's Americana & Collectibles, Morphy's Auctions, the Geppi's Entertainment Museum, and Baltimore magazine. On May 16th 2025 the company was sold to Sparkle Pop, a subsidiary of Ad Populum. The acquisition included several companies under the Geppi Family Ent umbrella.
Diamond is the publisher of Previews, a monthly catalog/magazine showcasing upcoming comic books, graphic novels, toys, and other pop-culture merchandise.