Aviva Armour-Ostroff is a Canadian actress, writer and filmmaker. She is most noted as the star, co-writer and co-director of the 2021 film Lune, for which she received a Canadian Screen Award nomination for Best Actress at the 10th Canadian Screen Awards in 2022. She is married to Arturo Pérez Torres, with whom she codirected both The Drawer Boy and Lune.