Hilda María del Pilar Lizarazu (born 12 October 1963 in Curuzú Cuatiá, Corrientes) is an Argentine rock and roll singer and composer.
Between 1988 and 1999, Lizarazu was the main vocalist and keyboards in the duo Man Ray, with guitarist Tito Losavio. At the same time she was a vocalist in Charly García's ensemble. She left Man Ray after the album Larga distancia (1999), and released her first solo album, Gabinete de curiosidades, in 2004.
Lizarazu played the part of a police expert in the 1995 argentinian movie Geisha.