Sylvana Lorenz (born February 14, 1953) is a French art dealer, and writer.
Lorenz opened her first art gallery in 1981 where she began to make a name for herself by supporting young artists. In 1983, Pierre Cardin came into Lorenz's art gallery to purchase an artwork. After this meeting, Lorenz would begin a long association with Cardin until his death in 2020.
Lorenz would go on to manage communications between 1998 and 2015 for the , a cinema, art gallery and multipurpose hall in the Champs-Elysées district, 8th arrondissement, Paris.
In 2021, she published Madame Cardin, a book about her life in Cardin's orbit.