Marya Roxx (born Maarja Kivi on 18 January 1986) is an Estonian hard rock/metal singer-songwriter residing in Los Angeles.

When the girl band Vanilla Ninja was founded in 2003, Kivi was selected as one of the solo singers and the bass player.

It features musicians Paul Crook as a guitarist, Scott Metaxas on bass, Derek Sherinian on keyboards and Brian Tichy as the drummer.

[5] Marya also wrote her solo album in Malibu with producer called Kevin Shirley aka "Caveman."

[6] Roxx's band for her last performances was former Anthrax guitarist Paul Crook, Scott Metaxas and Jim Roe.