Lydia Rodríguez Fernández, better known as Lydia, is a Spanish pop singer who represented Spain in the Eurovision Song Contest 1999 in Tel Aviv with the song No quiero escuchar, which finished in last place.
She was the third winner of the Barbara Dex Award for being the worst dressed competitor in the Contest that year.
In 2002 she released her last album as solo singer. In 2007, she starred in the musical Jesus Christ Superstar in several Spanish cities and other projects. In 2008, she replaced Sole Giménez as singer for the Spanish multi-platinum band Presuntos Implicados. The first album that she released with this band, "Será", was nominated for the Latin Grammy Awards 2009.