Sabine Moussier (Spanish pronunciation: ; born Diana Sabine Moussier July 12, 1966 in Leverkusen, North Rhine-Westphalia, West Germany) is a German-Mexican actress who is best known for her villainous roles in Televisa's telenovelas, such as El privilegio de amar, Entre el amor y el odio, La madrastra, Amar sin límites, Piel de otoño, Amor sin maquillaje, Las tontas no van al cielo, Mi pecado, Abismo de pasión, La malquerida, Que te perdone Dios, Sueño de amor y Me declaro culpable. She starred as the protagonist in Ni contigo ni sin ti.
Moussier was born on 12 July in Leverkusen, North Rhine-Westphalia, West Germany. While still a very small child, Moussier and her mother left Europe and immigrated to Mexico. Moussier had a quiet childhood in Mazatlán, Sinaloa, but as a teenager she took an interest in acting and eventually moved to Mexico City, where she attended Televisa's Centro de Educación Artística.