The family announced the death, which was confirmed to Agence France-Presse, according to Meduza and TV Rain.
Vlady was born in 1938 near Paris to a family of Russian émigré Vladimir Polyakov-Baidarov. She first appeared on screen at the age of 11.
Her filmography includes numerous Italian productions. She starred opposite Marcello Mastroianni in "Black Feathers" (1952) and "Days of Love" (1954).
In 1963, Vlady won the Cannes Film Festival prize for best actress for her role in "A Modern History, or The Queen Bee."
In 1967, she came to the USSR for the Moscow Film Festival, where she met Vladimir Vysotsky. They married in 1970, and she became his last wife.
Vlady's first husband was French director Robert Hossein, her second was aviator Jean-Claude Brouillet. After Vysotsky's death, she married for a fourth time, to French oncologist Léon Schwartzenberg.