William Roger Van Horn (born February 15, 1939) is an American cartoonist. Van Horn debuted professionally in his forties with the black-and-white comic book Nervous Rex (1985-1987). A huge fan of Carl Barks, from 1988 Van Horn became a Disney comics artist and writer, producing for decades Donald Duck and Uncle Scrooge stories (occasionally with scripts by John Lusting), primarily for the northern European market. His son Noel Van Horn has worked extensively as a Disney cartoonist as well.