Antonella Lualdi (Greek: Αντονέλλα Λουάλντι, born Antonietta de Pascale; 6 July 1931) is an Italian actress and singer. She appeared in many Italian and French films in the 1950s and 1960s, notably in Claude Autant-Lara's film The Red and the Black in 1954, opposite Gérard Philipe.

She began her career in 1949, after having won a contest for new talents of the cinema magazine Hollywood, in which she was presented as "Signorina X" ("Miss X"), inviting the readers to choose her stage name.