Juliet Berto (16 January 1947 – 10 January 1990) was a French actress, director and screenwriter.

A member of the same loose group of student radicals as Anne Wiazemsky, she first appeared in Jean-Luc Godard's Two or Three Things I Know About Her, and would go on to appear in many of Godard's subsequent films, including La Chinoise, Week End, Le Gai Savoir, and Vladimir et Rosa. She later became a muse for the French New Wave director Jacques Rivette, starring in Out 1 and Celine and Julie Go Boating.

In the 1980s she also became a screenwriter and film director. Her film Cap Canaille (1983) was entered into the 33rd Berlin International Film Festival. In 1987, she was a member of the jury at the 37th Berlin International Film Festival.

She died of cancer.

Selected filmography

• 2 or 3 Things I Know About Her (1967)
• La Chinoise (1967)
• Weekend (1967)
• Slogan (1969)
• La Cavale (fr) (1971)
• Out 1 (1971)
• The Middle of the World (1974)
• Celine and Julie Go Boating (1974)
• Mr. Klein (1976)
• The Moving Picture Man (1977)
• L'Argent des Autres (1978)
• Neige (1981)
• Cap Canaille (1983)
• Family Life (1985)