"Oddball Comedy and Curiosity Festival" will begin on August 23 in Austin, Texas and will run through 13 cities in five weeks ending in Mountain View, California.
Flight of the Conchords, Demetri Martin and Kristen Schaal will also be featured during the festival.
Chappelle is best known for his comedy skit-show "Chappelle's Show" which ran on Comedy Central from 2003 to 2006. Even though the comedian was signed for a third season, he left midway through its production saying he was burned out.
Video of Victoria’s Secret models trying to 'twerk' hits Instagram
Costly malfunction causes beer flood at Boston-area brewery