Cedric Bixler-Zavala is an American musician. He is the lead singer and lyricist of the progressive rock band the Mars Volta since its inception in 2001. He was the lead singer and only constant member of the post-hardcore group At the Drive-In, the lead singer of the band Antemasque, and singer and guitarist in the band Zavalaz.

The Mars Volta is an American progressive rock band from El Paso, formed in 2001. The band's only constant members are Omar Rodríguez-López and Cedric Bixler-Zavala, whose partnership forms the core of the band. The band's current line-up also includes founding member Eva Gardner (bass), Omar's brother Marcel Rodriguez-Lopez, Leo Genovese and Linda-Philomène Tsoungui (drums).