Rosario Bléfari (24 December 1965 – 6 July 2020) was an Argentine rock singer-songwriter and actress. She was born in Mar del Plata, Argentina. Her music career began in 1989 when she released her debut single "Para amarte". As an actress, she appeared in "Poor Butterfly" (1986), "I, the Worst of All" (1990) and in "Rapado" (1992).