List of celebrities on The Simpsons

In addition to the show's regular cast of voice actors, celebrity guest stars have been a staple of The Simpsons, an American animated television sitcom created by Matt Groening for the Fox Broadcasting Company, since its . The Simpsons focuses on the eponymous family, which consists of Homer, Marge, Bart, Lisa and Maggie. The family was initially conceived by Groening for a series of animated shorts, which originally aired as a part of The Tracey Ullman Show between 1987 and 1989. The shorts were developed into a half-hour prime time series which began in December 1989. The series' began in September 2015 and 603 episodes of The Simpsons have aired. A feature film adaptation of the series called The Simpsons Movie, was released in 2007.

Guest voices have come from a wide range of professions, including actors, athletes, authors, musicians, artists, politicians and scientists. In the show's early years most guest stars voiced original characters, but as the show has continued the number of those appearing as themselves has increased.

The first credited guest star was actor Sam McMurray who appeared in "", the show's third episode. Singer Tony Bennett was the first guest star to appear as himself, appearing briefly in the season two episode "Dancin' Homer". Several guest stars have featured as recurring characters on the show, including Phil Hartman, Joe Mantegna and Kelsey Grammer. Hartman made the most appearances, guest starring 52 times. Mantegna, Maurice LaMarche and Frank Welker have appeared twenty times or more; Grammer, Jon Lovitz and Kevin Michael Richardson have appeared over ten times, while Jane Kaczmarek, Albert Brooks, Jan Hooks and Jackie Mason have made over five appearances.

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