Rosa Palumbo, better known by her stage name as Rosita Contreras (born March 15, 1913), is an Argentine actress, singer and vedette. She had a career in theater and also made five films. In 1944, she formed the "Comedy Society of Rosita Contreras" and debuted as a comedic actress comedy in Una divorciada peligrosa, directed by Enrique Guastavino, followed by La novia perdida in the same year. Other works included Retazo and Al marido hay que seguirlo. In 1950. she became a member of the initial executive committee of the Ateneo Cultural Eva Perón.