Carlotta is a fictional character from Gaston Leroux's 1910 novel The Phantom of the Opera. She is the leading soprano at the Paris Opera House who is criticised by the narrator and the Phantom for the lack of emotion in her performances. In the 1943 film version, she is Mme. Biancarolli who has been drugged by the Phantom and murdered along with her maid when she tries to force him to take off his prop mask.