Red Desert (Italian: Il deserto rosso) is a 1964 psychological drama film directed by Michelangelo Antonioni and starring Monica Vitti and Richard Harris. Written by Antonioni and Tonino Guerra, it was Antonioni's first color film. Set in Northern Italy, the story follows a troubled woman who is unable to adapt to her environment after an automobile accident.

Red Desert was awarded the Golden Lion at the 25th Venice Film Festival in 1964. It has received acclaim from critics. This was the last in a series of four films he made with Vitti between 1959 and 1964, preceded by L'Avventura (1960), La Notte (1961), and L'Eclisse (1962).