Mark Schultz (born June 7, 1955) is an American writer and illustrator of books and comics. His most widely recognized work is his self-created and owned comic book series, Xenozoic Tales, about a post-apocalyptic world where dinosaurs and other prehistoric creatures coexist with humans. He is also the current writer of the Prince Valiant comic strip.

Schultz’s first published comics work was on a story called “The Sea King”, featuring Robert E. Howard’s character King Kull, which appeared in Savage Sword of Conan #132, published by Marvel Comics. Schultz inked over pencils by Val Semeiks

In 2002, Schultz contributed a number of illustrations to Conan the Cimmerian: Volume 1, a new reprinting of the Conan stories of Robert E. Howard, published by Wandering Star Books. The book has since been reprinted in paperback by Del Rey as The Coming of Conan the Cimmerian.

In 2015, Schultz contributed, among other artists, to bring inner illustrations to the tabletop role-playing game Conan: Adventures in an Age Undreamed Of, first published in 2016 by British company Modiphius Entertainment.