Eleven was an American alternative rock group from Los Angeles, California, formed in 1990 by Alain Johannes, Natasha Shneider, and Jack Irons (drums).

Alain Johannes Mociulski is a Chilean-American multi-instrumentalist and vocalist, whose primary instruments are guitar and bass. He is a founding member of several bands, including the alternative rock group Eleven, and has been involved with acts such as hard rock band Queens of the Stone Age, Them Crooked Vultures, PJ Harvey, Chris Cornell, Arctic Monkeys, Mark Lanegan and The Desert Sessions, both as a musician and as a producer.