Alexander Kuzmich Vustin, also Voustin or Wustin was a Russian composer. His works, including the opera The Devil in Love, were played and recorded internationally.

The Devil in Love is an opera in three acts by Alexander Vustin. The libretto was written in Russian by Vladimir Khachaturov, based on the 1732 novel The Devil in Love by Jacques Cazotte. Completed in 1989, it was premiered on 15 February 2019 at the Stanislavski and Nemirovich-Danchenko Theatre in Moscow.