Nicola Salvi or Niccolò Salvi (August 6, 1697 – February 8, 1751) was an Italian architect most famous for the Trevi Fountain in Rome, where he was born and died. His work is in the late Roman Baroque style. In addition to the Trevi Fountain, Salvi did minor works such as churches and the enlargement of the Odescalchi Palace with Luigi Vanvitelli.