Robert Leighton is an American cartoonist, writer, artist, puzzle writer, illustrator, and humorist. He lives and works in New York City. His cartoons have appeared regularly in The New Yorker and other periodicals. In 1996, with Mike Shenk and Amy Goldstein, Leighton co-founded Puzzability, a puzzle-writing company. As part of Puzzability, Leighton has coauthored many books of puzzles, as well as puzzle-oriented Op-Ed pieces for The New York Times.