Sarah Magdalena Biasini (born 21 July 1977 in Gassin) is a French actress, the daughter of actress Romy Schneider and her second husband and former private secretary Daniel Biasini.
Biasini studied art history at the Sorbonne in Paris and theater at the Lee Strasberg Institute in Los Angeles and the Actors Studio in New York City.
She made her film debut in 2004 starring in the Emmy-nominated French mini-series, Julie, Chevalier de Maupin, a swashbuckling adventure story loosely based on the life of the sword-wielding 17th-century opera star Julie d'Aubigny (Mlle. Maupin). In 2005, she made her stage debut in Barefoot in the Park (Pieds Nus dans le Parc) at the Théâtre Marigny in Paris.
- Mon petit doigt m'a dit... (2005)
- A Man and His Dog (2009)
- Le général du roi (2013)