Mr. Bungle is the debut studio album by American experimental rock band Mr. Bungle. It was released on August 13, 1991, through Warner Bros. Records. The album contains many genre shifts which are typical of the band, and helped increase the band's popularity, gaining them a cult following.

Mr. Bungle is an American experimental rock band formed in Eureka, California, in 1985. Having gone through many incarnations throughout its career, the band is best known for its experimental rock period. During this time, it developed a highly eclectic style, cycling through several musical genres, often within the course of a single song, including heavy metal, avant-garde jazz, ska, disco, and funk, further enhanced by lead vocalist Mike Patton's versatile singing style. This period also saw the band utilizing unconventional song structures and samples; playing a wide array of instruments; dressing up in masks, jumpsuits, and other costumes; and performing a diverse selection of cover songs during live performances.