The Ariel Award for Best Supporting Actress (Spanish: Premio Ariel a Mejor Coactuación Femenina) is an award presented by the Academia Mexicana de Artes y Ciencias Cinematográficas (AMACC) in Mexico. It is given in honor of an actor who has delivered an outstanding performance in a supporting role while working within the Mexican film industry. In 1947, the 1st and 2nd Ariel Awards were held, with Lilia Michel winning in both ceremonies for the films Un Beso en la Noche and Vértigo, respectively. With the exception of the years 1959 to 1971, when the Ariel Awards were suspended, the award has been given annually. Nominees and winners are determined by a committee formed every year consisting of academy members (active and honorary), previous winners and individuals with at least two Ariel