Marilù Tolo (born Maria Lucia Tolo; 16 January 1944) is an Italian film actress. She appeared in more than 60 films between 1960 and 1985.

Born in Rome, Tolo, at a very young age, worked as an assistant of Mario Riva in the RAI variety show Il Musichiere. She made her film debut at 16 years old in Alberto Lattuada's Sweet Deceptions.