My Little Sister is a 2020 Swiss drama film written and directed by Stéphanie Chuat and Véronique Reymond and starring Nina Hoss and Lars Eidinger. It premiered in the Competition section of the 70th Berlin International Film Festival in February 2020 and was selected as the Swiss entry for the Best International Feature Film at the 93rd Academy Awards. At the 2021 Swiss Film Awards, it won Best Fiction Film, Best Cinematography, Best Film Editing, and Best Screenplay.