Mercedes Trujillo Callealta (born 14 June 1974 in Cádiz, Spain), best known as Merche, is a Spanish singer.

When she was a child, she acted in school plays and wished to be a singer, and received her first guitar as a gift at age six.

[1] At this time she sang in an orchestra named Bahia Azul, and worked as a direction assistant in Astilleros de Cádiz.

She finished in sixth place, but signed with Vale Music and start to record her first album Mi Sueño.

In the summer of 2003, the fourth single was released, "Mi Sueño", also with supporting appearances in TV.