Germaine Dermoz (born Germaine Deluermoz, 30 July 1888 – 6 November 1966) was a French film and theatre actress of the early-to-mid twentieth century.
She performed in over twenty theatre productions, frequently in the Théâtre Réjane. Her film career took place mostly during the silent movie era. She is most famous for her portrayal of Madame Beudet in The Smiling Madame Beudet.
She had an older sister, actress Jeanne Delvair née Duluermoz (1877-1949), and a younger brother, Henri Deluermoz (1876-1943), who was a painter.