Cannes Film Festival Award for Best Actress

The Best Actress Award (French: Prix d'interprétation féminine) is an award presented at the Cannes Film Festival since 1946. It is given to an actress who has delivered an outstanding performance and chosen by the jury from the films in official competition slate at the festival.

Its most recent winners were Virginie Efira and Tao Okamoto for All of a Sudden at the 2026 Cannes Film Festival.