Marisa Berenson (born February 15, 1946) is an American actress and former model.
The granddaughter of legendary fashion designer Elsa Schiaparelli and great-great niece of art historian and connoisseur Bernard Berenson, Marisa played Frau von Aschenbach in Luchino Visconti's 1971 film Death in Venice, the Natalia Landauer in the 1972 film Cabaret, and Lady Lyndon in the 1975 Stanley Kubrick film Barry Lyndon.
She has appeared since that time in a number of other movies, most of them filmed in Europe, where she is based. She has also acted in made-for-TV movies in the United States.
Her younger sister was the late photographer Berry Berenson, who had been married to the actor Anthony Perkins.