Alain Johannes Moschulski (born May 2, 1962 in Santiago de Chile) is a Chilean-American multi-instrumentalist and vocalist, whose primary instruments are guitar and drums. 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, Chris Cornell, Arctic Monkeys, Mark Lanegan, and The Desert Sessions, both as a musician and as a producer.

Alain Johannes is nephew of Chilean nueva ola musician Peter Rock.