Claudio Castellini (born 3 March 1966) is an Italian comic book artist. His work has been influenced by artists like Neal Adams and John Buscema".
Castellini's first work was the March 1989 episode for the Italian horror series Dylan Dog. In 1991 Castellini collaborated in the graphic elaboration of Nathan Never, a science fiction series whose covers he drew until issue #59. His first work for Marvel Comics was Silver Surfer: Dangerous Artifacts, a Silver Surfer graphic novel written by Ron Marz, published in June 1996. He produced covers for Cosmic Powers Unlimited and Elektra Magazine, drew Fantastic Four Unlimited from 1993 to 1995.
In Greece he is best known for the intercompany crossover miniseries, DC vs. Marvel.