Émilie Dequenne (French pronunciation: [emili dəkɛn]; 29 August 1981 – 16 March 2025) was a Belgian actress. She first gained recognition for her role in the Dardenne brothers' film Rosetta (1999), which earned her the Cannes Film Festival Award for Best Actress. The film also won the Palme d'Or at the festival.[1]

Over her career, she appeared in a variety of films, including the historical thriller Brotherhood of the Wolf (2001), the drama The Girl on the Train (2009), the psychological drama Our Children (2012), and the drama Love Affair(s) (2020), for the latter she won the César Award for Best Supporting Actress.