William Van Horn (born February 15, 1939) has been a Disney comics artist and writer since 1988. He draws mostly Donald Duck and Uncle Scrooge stories, and he has also written and/or illustrated stories based on the animated series DuckTales. Some of these stories featured Launchpad McQuack as the main character. William's son Noel Van Horn is also a Disney comics artist, focusing on Mickey Mouse stories.

Prior to his association with Disney, Van Horn drew and wrote the black-and-white comic book Nervous Rex for Blackthorne Publishing. Focusing on the misadventures of a small, non-violent tyrannosaurus, the series ran for ten issues, from 1985 to 1987. Afterward, also for Blackthorne, he drew and wrote a short-lived superhero...