Isabella Soupart (Uccle, 1978) is a Belgian actress known for her intense and measured performances in European art-house cinema.

She gained international recognition with the Dardenne brothers' *Le Silence de Lorna* (2008), where she demonstrated her ability to tackle complex roles. Her performance in Joachim Lafosse's *À perdre la raison* (2012), in which she portrays a desperate mother, earned her a Magritte Award for Best Actress and widespread critical acclaim.

She solidified her reputation by starring in Nuri Bilge Ceylan's *Kış Uykusu* (2014), which won the Palme d'Or at Cannes. Soupart is praised for her ability to embody often fragile, tormented, or ambiguous female characters, delivering performances of profound emotional intensity.